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317607992 = 23137143013
BaseRepresentation
bin10010111011100…
…101000000111000
3211010122011020222
4102323211000320
51122301423432
651303235212
710604423552
oct2273450070
9733564228
10317607992
11153310649
128a448b08
1350a54530
14302784d2
151cd3b112
hex12ee5038

317607992 has 32 divisors (see below), whose sum is σ = 650371680. Its totient is φ = 144520320.

The previous prime is 317607967. The next prime is 317608007. The reversal of 317607992 is 299706713.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14123 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (20324115).

Almost surely, 2317607992 is an apocalyptic number.

It is an amenable number.

317607992 is an abundant number, since it is smaller than the sum of its proper divisors (332763688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317607992 is a wasteful number, since it uses less digits than its factorization.

317607992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43103 (or 43099 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 317607992 is about 17821.5597521654. The cubic root of 317607992 is about 682.2818327045.

The spelling of 317607992 in words is "three hundred seventeen million, six hundred seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 13 26 52 71 104 142 284 568 923 1846 3692 7384 43013 86026 172052 344104 559169 1118338 2236676 3053923 4473352 6107846 12215692 24431384 39700999 79401998 158803996 317607992