Numbers / 470
The Number 470
470 is composite: factorization 2 × 5 × 47. That gives 470 exactly 8 divisors: 1, 2, 5, 10, 47, 94, 235, 470. 470's proper divisors total just 394, 76 short of 470, the deficient case most of 470's neighbors share too. 470 has a digit sum of 11; for 470, the digital root works out to 2. 470: 2, 5, 10 all divide 470 evenly, out of 2-12. 470 is 111010110 in binary and 1D6 in hex; as a Roman numeral it's CDLXX.