Numbers / 52

The Number 52

52 is composite: factorization 2^2 × 13. That gives 52 exactly 6 divisors: 1, 2, 4, 13, 26, 52. 52's proper divisors total just 46, 6 short of 52, the deficient case most of 52's neighbors share too. 52 has a digit sum of 7; for 52, the digital root works out to 7. 52: 2, 4 all divide 52 evenly, out of 2-12. 52 is 110100 in binary and 34 in hex; as a Roman numeral it's LII.