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317309372 = 22383207121
BaseRepresentation
bin10010111010011…
…100000110111100
3211010001222121222
4102322130012330
51122212344442
651253012512
710602041132
oct2272340674
9733058558
10317309372
11153127256
128a324138
135097b633
14301db752
151cccc8d2
hex12e9c1bc

317309372 has 12 divisors (see below), whose sum is σ = 556743936. Its totient is φ = 158239680.

The previous prime is 317309371. The next prime is 317309381. The reversal of 317309372 is 273903713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317309371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102029 + ... + 105092.

It is an arithmetic number, because the mean of its divisors is an integer number (46395328).

Almost surely, 2317309372 is an apocalyptic number.

It is an amenable number.

317309372 is a deficient number, since it is larger than the sum of its proper divisors (239434564).

317309372 is a wasteful number, since it uses less digits than its factorization.

317309372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207508 (or 207506 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 317309372 is about 17813.1797273816. The cubic root of 317309372 is about 682.0679349715.

The spelling of 317309372 in words is "three hundred seventeen million, three hundred nine thousand, three hundred seventy-two".

Divisors: 1 2 4 383 766 1532 207121 414242 828484 79327343 158654686 317309372