Numbers / 568

The Number 568

568 is composite: factorization 2^3 × 71. That gives 568 exactly 8 divisors: 1, 2, 4, 8, 71, 142, 284, 568. 568's proper divisors total just 512, 56 short of 568, the deficient case most of 568's neighbors share too. 568 has a digit sum of 19; for 568, the digital root works out to 1. 568: 2, 4, 8 all divide 568 evenly, out of 2-12. 568 is 1000111000 in binary and 238 in hex; as a Roman numeral it's DLXVIII.