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Numbers / 438

The Number 438

438 is composite: factorization 2 × 3 × 73. That gives 438 exactly 8 divisors: 1, 2, 3, 6, 73, 146, 219, 438. 438's proper divisors total 450, 12 more than 438 itself, so 438 is abundant. 438 has a digit sum of 15; for 438, the digital root works out to 6. 438: 2, 3, 6 all divide 438 evenly, out of 2-12. 438 is 110110110 in binary and 1B6 in hex; as a Roman numeral it's CDXXXVIII.

Factors
1, 2, 3, 6, 73, 146, 219, 438
Number of factors
8
Prime?
No
Prime factorization
2 x 3 x 73
Even or odd
Even
Square
191844
Cube
84027672
Binary
110110110
Hexadecimal
1B6
Roman numeral
CDXXXVIII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 438 in detail →Is 438 prime? →