Numbers / 150

The Number 150

150 is composite: factorization 2 × 3 × 5^2. That gives 150 exactly 12 divisors: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150. 150's proper divisors total 222, 72 more than 150 itself, so 150 is abundant. 150 has a digit sum of 6; for 150, the digital root works out to 6. 150: 2, 3, 5, 6, 10 all divide 150 evenly, out of 2-12. 150 is 10010110 in binary and 96 in hex; as a Roman numeral it's CL.