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317909713 = 1123677159
BaseRepresentation
bin10010111100101…
…110101011010001
3211011012111010211
4102330232223101
51122341102323
651313524121
710610121322
oct2274565321
9734174124
10317909713
111534a7300
128a573641
1350b2b974
1430316449
151cd9a70d
hex12f2ead1

317909713 has 12 divisors (see below), whose sum is σ = 350439040. Its totient is φ = 288181080.

The previous prime is 317909701. The next prime is 317909723.

It is a happy number.

317909713 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 317909713 - 29 = 317909201 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317909723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40828 + ... + 47986.

Almost surely, 2317909713 is an apocalyptic number.

It is an amenable number.

317909713 is a deficient number, since it is larger than the sum of its proper divisors (32529327).

317909713 is a wasteful number, since it uses less digits than its factorization.

317909713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548 (or 7537 counting only the distinct ones).

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 317909713 is about 17830.0227986394. The cubic root of 317909713 is about 682.4978155190.

The spelling of 317909713 in words is "three hundred seventeen million, nine hundred nine thousand, seven hundred thirteen".

Divisors: 1 11 121 367 4037 7159 44407 78749 866239 2627353 28900883 317909713