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315294428 = 22314162017
BaseRepresentation
bin10010110010110…
…000001011011100
3210222021121122102
4102302300023130
51121203410203
651141504232
710545646511
oct2262601334
9728247572
10315294428
11151a80409
1289712078
1350424467
142dc35308
151ca30888
hex12cb02dc

315294428 has 24 divisors (see below), whose sum is σ = 583465344. Its totient is φ = 148838400.

The previous prime is 315294349. The next prime is 315294437. The reversal of 315294428 is 824492513.

It is a junction number, because it is equal to n+sod(n) for n = 315294391 and 315294400.

It is a congruent number.

It is an unprimeable number.

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, 25925 + ... + 36092.

It is an arithmetic number, because the mean of its divisors is an integer number (24311056).

Almost surely, 2315294428 is an apocalyptic number.

It is an amenable number.

315294428 is a deficient number, since it is larger than the sum of its proper divisors (268170916).

315294428 is a wasteful number, since it uses less digits than its factorization.

315294428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62093 (or 62091 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 315294428 is about 17756.5319812175. The cubic root of 315294428 is about 680.6211366108.

The spelling of 315294428 in words is "three hundred fifteen million, two hundred ninety-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 31 41 62 82 124 164 1271 2542 5084 62017 124034 248068 1922527 2542697 3845054 5085394 7690108 10170788 78823607 157647214 315294428