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316717240 = 23571131133
BaseRepresentation
bin10010111000001…
…011100010111000
3211001221220101011
4102320023202320
51122034422430
651232203304
710564023610
oct2270134270
9731856334
10316717240
11152862394
128a099534
1350801c68
14300c5a40
151cc1222a
hex12e0b8b8

316717240 has 32 divisors (see below), whose sum is σ = 814416480. Its totient is φ = 108588672.

The previous prime is 316717237. The next prime is 316717249. The reversal of 316717240 is 42717613.

It is a super-2 number, since 2×3167172402 = 200619620226435200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316717249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565287 + ... + 565846.

It is an arithmetic number, because the mean of its divisors is an integer number (25450515).

Almost surely, 2316717240 is an apocalyptic number.

It is an amenable number.

316717240 is an abundant number, since it is smaller than the sum of its proper divisors (497699240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

316717240 is a wasteful number, since it uses less digits than its factorization.

316717240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131151 (or 1131147 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 316717240 is about 17796.5513513152. The cubic root of 316717240 is about 681.6434010933.

The spelling of 316717240 in words is "three hundred sixteen million, seven hundred seventeen thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1131133 2262266 4524532 5655665 7917931 9049064 11311330 15835862 22622660 31671724 39589655 45245320 63343448 79179310 158358620 316717240