Numbers / 414

The Number 414

414 is composite: factorization 2 × 3^2 × 23. That gives 414 exactly 12 divisors: 1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414. 414's proper divisors total 522, 108 more than 414 itself, so 414 is abundant. 414 is also a palindrome, since 414 reads identically forwards and backwards. 414 has a digit sum of 9; for 414, the digital root works out to 9. 414: 2, 3, 6, 9 all divide 414 evenly, out of 2-12. 414 is 110011110 in binary and 19E in hex; as a Roman numeral it's CDXIV.