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Numbers / 450

The Number 450

450 is composite: factorization 2 × 3^2 × 5^2. That gives 450 exactly 18 divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450. 450's proper divisors total 759, 309 more than 450 itself, so 450 is abundant. 450 has a digit sum of 9; for 450, the digital root works out to 9. 450: 2, 3, 5, 6, 9, 10 all divide 450 evenly, out of 2-12. 450 is 111000010 in binary and 1C2 in hex; as a Roman numeral it's CDL.

Factors
1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450
Number of factors
18
Prime?
No
Prime factorization
2 x 3^2 x 5^2
Even or odd
Even
Square
202500
Cube
91125000
Binary
111000010
Hexadecimal
1C2
Roman numeral
CDL
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 450 in detail →Is 450 prime? →