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317661164 = 22197940129
BaseRepresentation
bin10010111011110…
…001111111101100
3211010201212012022
4102323301333230
51122310124124
651304325312
710605034562
oct2273617754
9733655168
10317661164
11153347597
128a473838
1350a727b2
143028da32
151cd4bc5e
hex12ef1fec

317661164 has 12 divisors (see below), whose sum is σ = 556201800. Its totient is φ = 158746368.

The previous prime is 317661143. The next prime is 317661173. The reversal of 317661164 is 461166713.

It is a super-2 number, since 2×3176611642 = 201817230227669792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12149 + ... + 27980.

It is an arithmetic number, because the mean of its divisors is an integer number (46350150).

Almost surely, 2317661164 is an apocalyptic number.

It is an amenable number.

317661164 is a deficient number, since it is larger than the sum of its proper divisors (238540636).

317661164 is a wasteful number, since it uses less digits than its factorization.

317661164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42112 (or 42110 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 317661164 is about 17823.0514783524. The cubic root of 317661164 is about 682.3199050727.

The spelling of 317661164 in words is "three hundred seventeen million, six hundred sixty-one thousand, one hundred sixty-four".

Divisors: 1 2 4 1979 3958 7916 40129 80258 160516 79415291 158830582 317661164