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317408272 = 2428370099
BaseRepresentation
bin10010111010110…
…100010000010000
3211010021000021221
4102322310100100
51122224031042
651255054424
710602632356
oct2272642020
9733230257
10317408272
11153194595
128a371414
13509b465c
14302257d6
151ccebd67
hex12eb4410

317408272 has 20 divisors (see below), whose sum is σ = 617160400. Its totient is φ = 158141088.

The previous prime is 317408263. The next prime is 317408291. The reversal of 317408272 is 272804713.

It is a super-2 number, since 2×3174082722 = 201496022268051968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30522 + ... + 39577.

It is an arithmetic number, because the mean of its divisors is an integer number (30858020).

Almost surely, 2317408272 is an apocalyptic number.

It is an amenable number.

317408272 is a deficient number, since it is larger than the sum of its proper divisors (299752128).

317408272 is a wasteful number, since it uses less digits than its factorization.

317408272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390 (or 70384 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 317408272 is about 17815.9555455215. The cubic root of 317408272 is about 682.1387906491.

The spelling of 317408272 in words is "three hundred seventeen million, four hundred eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 283 566 1132 2264 4528 70099 140198 280396 560792 1121584 19838017 39676034 79352068 158704136 317408272