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317616081 = 36110915923
BaseRepresentation
bin10010111011100…
…110111111010001
3211010122120100120
4102323212333101
51122302203311
651303340453
710604456256
oct2273467721
9733576316
10317616081
11153316732
128a451729
1350a58113
143027b42d
151cd3d706
hex12ee6fd1

317616081 has 16 divisors (see below), whose sum is σ = 434406720. Its totient is φ = 206349120.

The previous prime is 317616071. The next prime is 317616107. The reversal of 317616081 is 180616713.

It is not a de Polignac number, because 317616081 - 27 = 317615953 is a prime.

It is a super-2 number, since 2×3176160812 = 201759949819597122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317616011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11986 + ... + 27908.

It is an arithmetic number, because the mean of its divisors is an integer number (27150420).

Almost surely, 2317616081 is an apocalyptic number.

It is an amenable number.

317616081 is a deficient number, since it is larger than the sum of its proper divisors (116790639).

317616081 is a wasteful number, since it uses less digits than its factorization.

317616081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16096.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 317616081 is about 17821.7866949417. The cubic root of 317616081 is about 682.2876248875.

The spelling of 317616081 in words is "three hundred seventeen million, six hundred sixteen thousand, eighty-one".

Divisors: 1 3 61 109 183 327 6649 15923 19947 47769 971303 1735607 2913909 5206821 105872027 317616081