Numbers / 360
The Number 360
360 is composite: factorization 2^3 × 3^2 × 5. That gives 360 exactly 24 divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360. 360's proper divisors total 810, 450 more than 360 itself, so 360 is abundant. 360 has a digit sum of 9; for 360, the digital root works out to 9. 360: 2, 3, 4, 5, 6, 8, 9, 10, 12 all divide 360 evenly, out of 2-12. 360 is 101101000 in binary and 168 in hex; as a Roman numeral it's CCCLX.