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318475968 = 2638591931
BaseRepresentation
bin10010111110111…
…000111011000000
3211012021020220020
4102332320323000
51123012212333
651334013440
710615000236
oct2276707300
9735236806
10318475968
11153853788
128a7a7280
1350c99625
1430422956
151ce5d3b3
hex12fb8ec0

318475968 has 56 divisors (see below), whose sum is σ = 844052160. Its totient is φ = 105980160.

The previous prime is 318475961. The next prime is 318476003. The reversal of 318475968 is 869574813.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 318475968.

It is not an unprimeable number, because it can be changed into a prime (318475961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163963 + ... + 165893.

It is an arithmetic number, because the mean of its divisors is an integer number (15072360).

Almost surely, 2318475968 is an apocalyptic number.

It is an amenable number.

318475968 is an abundant number, since it is smaller than the sum of its proper divisors (525576192).

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

318475968 is a wasteful number, since it uses less digits than its factorization.

318475968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805 (or 2795 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 318475968 is about 17845.8949901651. The cubic root of 318475968 is about 682.9027927342.

The spelling of 318475968 in words is "three hundred eighteen million, four hundred seventy-five thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 859 1718 1931 2577 3436 3862 5154 5793 6872 7724 10308 11586 13744 15448 20616 23172 27488 30896 41232 46344 54976 61792 82464 92688 123584 164928 185376 370752 1658729 3317458 4976187 6634916 9952374 13269832 19904748 26539664 39809496 53079328 79618992 106158656 159237984 318475968