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315192044 = 22128361417
BaseRepresentation
bin10010110010010…
…111001011101100
3210222002102012102
4102302113023230
51121142121134
651135354232
710545042146
oct2262271354
9728072172
10315192044
11151a104a2
1289682978
13503b998b
142dc09c96
151ca1037e
hex12c972ec

315192044 has 12 divisors (see below), whose sum is σ = 552024984. Its totient is φ = 157470624.

The previous prime is 315192037. The next prime is 315192061. The reversal of 315192044 is 440291513.

It is a junction number, because it is equal to n+sod(n) for n = 315191998 and 315192016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25577 + ... + 35840.

It is an arithmetic number, because the mean of its divisors is an integer number (46002082).

Almost surely, 2315192044 is an apocalyptic number.

It is an amenable number.

315192044 is a deficient number, since it is larger than the sum of its proper divisors (236832940).

315192044 is a wasteful number, since it uses less digits than its factorization.

315192044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62704 (or 62702 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 315192044 is about 17753.6487517355. The cubic root of 315192044 is about 680.5474570567.

The spelling of 315192044 in words is "three hundred fifteen million, one hundred ninety-two thousand, forty-four".

Divisors: 1 2 4 1283 2566 5132 61417 122834 245668 78798011 157596022 315192044