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318425427 = 3219101103179
BaseRepresentation
bin10010111110101…
…100100101010011
3211012011200120100
4102332230211103
51123004103202
651332543443
710614400005
oct2276544523
9735150510
10318425427
11153819811
128a781b83
1350c7c618
143040c375
151ce4d41c
hex12fac953

318425427 has 48 divisors (see below), whose sum is σ = 496454400. Its totient is φ = 196084800.

The previous prime is 318425417. The next prime is 318425467. The reversal of 318425427 is 724524813.

It is a happy number.

318425427 is a `hidden beast` number, since 31 + 84 + 2 + 542 + 7 = 666.

It is not a de Polignac number, because 318425427 - 24 = 318425411 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 318425391 and 318425400.

It is not an unprimeable number, because it can be changed into a prime (318425417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1778824 + ... + 1779002.

It is an arithmetic number, because the mean of its divisors is an integer number (10342800).

Almost surely, 2318425427 is an apocalyptic number.

318425427 is a deficient number, since it is larger than the sum of its proper divisors (178028973).

318425427 is a wasteful number, since it uses less digits than its factorization.

318425427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 318425427 is about 17844.4788940445. The cubic root of 318425427 is about 682.8666660774.

The spelling of 318425427 in words is "three hundred eighteen million, four hundred twenty-five thousand, four hundred twenty-seven".

Divisors: 1 3 9 19 57 101 103 171 179 303 309 537 909 927 1611 1919 1957 3401 5757 5871 10203 10403 17271 17613 18079 18437 30609 31209 54237 55311 93627 162711 165933 197657 343501 350303 592971 1030503 1050909 1778913 1862137 3091509 3152727 5586411 16759233 35380603 106141809 318425427