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317311407 = 3272838669
BaseRepresentation
bin10010111010011…
…100100110101111
3211010002002102100
4102322130212233
51122212431112
651253030143
710602050100
oct2272344657
9733062370
10317311407
11153128836
128a325353
135097c53a
14301dc3a7
151cccd2dc
hex12e9c9af

317311407 has 36 divisors (see below), whose sum is σ = 539655480. Its totient is φ = 179115552.

The previous prime is 317311399. The next prime is 317311411. The reversal of 317311407 is 704113713.

It is not a de Polignac number, because 317311407 - 23 = 317311399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317311487) 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 35 ways as a sum of consecutive naturals, for example, 32269 + ... + 40937.

It is an arithmetic number, because the mean of its divisors is an integer number (14990430).

Almost surely, 2317311407 is an apocalyptic number.

317311407 is a deficient number, since it is larger than the sum of its proper divisors (222344073).

317311407 is a wasteful number, since it uses less digits than its factorization.

317311407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8762 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 317311407 is about 17813.2368479173. The cubic root of 317311407 is about 682.0693930704.

The spelling of 317311407 in words is "three hundred seventeen million, three hundred eleven thousand, four hundred seven".

Divisors: 1 3 7 9 21 49 63 83 147 249 441 581 747 1743 4067 5229 8669 12201 26007 36603 60683 78021 182049 424781 546147 719527 1274343 2158581 3823029 5036689 6475743 15110067 35256823 45330201 105770469 317311407