Numbers / 738

The Number 738

738 is composite: factorization 2 × 3^2 × 41. That gives 738 exactly 12 divisors: 1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738. 738's proper divisors total 900, 162 more than 738 itself, so 738 is abundant. 738 has a digit sum of 18; for 738, the digital root works out to 9. 738: 2, 3, 6, 9 all divide 738 evenly, out of 2-12. 738 is 1011100010 in binary and 2E2 in hex; as a Roman numeral it's DCCXXXVIII.