491287225
Number 491287225: Properties, Factors, and Mathematical Facts
Short answer
The number 491287225 is an odd composite number with 81 positive divisors. Its prime factorization is 5² × 11² × 13² × 31². It is also a deficient number and a perfect square, which gives it several notable mathematical relationships.
Is 491287225 prime?
ClassificationCompositeParityOddDivisor count81AbundanceDeficient
What is the prime factorization of 491287225?
Prime factorization
5 squared times 11 squared times 13 squared times 31 squared
What are the divisors of 491287225?
Divisor count
81
Divisor sum
749,227,437
Proper divisor sum
257,940,212
- 1
- 5
- 11
- 13
- 25
- 31
- 55
- 65
- 121
- 143
- 155
- 169
- 275
- 325
- 341
- 403
- 605
- 715
- 775
- 845
- 961
- 1573
- 1705
- 1859
How is 491287225 classified?
Prime
CompositeLearn more →
Perfect square
YesLearn more →
Perfect cube
No
Fibonacci
No
Triangular
No
Power of two
No
How is 491287225 represented in other numeral systems?
Decimal
491287225
Binary
11101010010000111001010111001
Octal
3522071271
Hexadecimal
1D4872B9
Roman
No conventional Roman numeral
In words
four hundred ninety one million two hundred eighty seven thousand two hundred twenty five
Roots and powers
Square root
22165 Exact
Cube root
789.063262 Approximate
Nearest lower square
491287225
Nearest higher square
491331556
Nearest lower cube
491169069
Nearest higher cube
493039000
What are the digit properties of 491287225?
Which numbers are related to 491287225?
Why these results are true
- 491287225 is composite because it has positive divisors other than 1 and itself.
Compare this number
FAQ for 491287225
- Is 491287225 prime?
- No
- What is the prime factorization of 491287225?
- 5² × 11² × 13² × 31²
- Is 491287225 a perfect square?
- Yes
- What is 491287225 in binary?
- 11101010010000111001010111001