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Numbers / 490

The Number 490

490 is composite: factorization 2 × 5 × 7^2. That gives 490 exactly 12 divisors: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490. 490's proper divisors total 536, 46 more than 490 itself, so 490 is abundant. 490 has a digit sum of 13; for 490, the digital root works out to 4. 490: 2, 5, 7, 10 all divide 490 evenly, out of 2-12. 490 is 111101010 in binary and 1EA in hex; as a Roman numeral it's CDXC.

Factors
1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
Number of factors
12
Prime?
No
Prime factorization
2 x 5 x 7^2
Even or odd
Even
Square
240100
Cube
117649000
Binary
111101010
Hexadecimal
1EA
Roman numeral
CDXC
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 490 in detail →Is 490 prime? →