Numbers / 468

The Number 468

468 is composite: factorization 2^2 × 3^2 × 13. That gives 468 exactly 18 divisors: 1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468. 468's proper divisors total 806, 338 more than 468 itself, so 468 is abundant. 468 has a digit sum of 18; for 468, the digital root works out to 9. 468: 2, 3, 4, 6, 9, 12 all divide 468 evenly, out of 2-12. 468 is 111010100 in binary and 1D4 in hex; as a Roman numeral it's CDLXVIII.