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317086047 = 32107329269
BaseRepresentation
bin10010111001100…
…101100101011111
3211002122122021200
4102321211211133
51122133223142
651244130543
710600121055
oct2271454537
9732578250
10317086047
11152a94493
128a236a53
1350900aa5
14301801d5
151cc8664c
hex12e6595f

317086047 has 12 divisors (see below), whose sum is σ = 462295080. Its totient is φ = 209414448.

The previous prime is 317086043. The next prime is 317086067. The reversal of 317086047 is 740680713.

It is not a de Polignac number, because 317086047 - 22 = 317086043 is a prime.

It is a super-2 number, since 2×3170860472 = 201087122404172418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317086043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163672 + ... + 165597.

It is an arithmetic number, because the mean of its divisors is an integer number (38524590).

Almost surely, 2317086047 is an apocalyptic number.

317086047 is a deficient number, since it is larger than the sum of its proper divisors (145209033).

317086047 is a wasteful number, since it uses less digits than its factorization.

317086047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329382 (or 329379 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 317086047 is about 17806.9100913101. The cubic root of 317086047 is about 681.9078823705.

The spelling of 317086047 in words is "three hundred seventeen million, eighty-six thousand, forty-seven".

Divisors: 1 3 9 107 321 963 329269 987807 2963421 35231783 105695349 317086047