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315167242 = 21347349739
BaseRepresentation
bin10010110010010…
…001001000001010
3210222001011011211
4102302101020022
51121140322432
651135043334
710544606635
oct2262211012
9728034154
10315167242
111519a38a5
128967054a
13503ab5c0
142dc00c1c
151ca07d47
hex12c9120a

315167242 has 32 divisors (see below), whose sum is σ = 522144000. Its totient is φ = 141766848.

The previous prime is 315167239. The next prime is 315167249. The reversal of 315167242 is 242761513.

It is not an unprimeable number, because it can be changed into a prime (315167249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426109 + ... + 426847.

It is an arithmetic number, because the mean of its divisors is an integer number (16317000).

Almost surely, 2315167242 is an apocalyptic number.

315167242 is a deficient number, since it is larger than the sum of its proper divisors (206976758).

315167242 is a wasteful number, since it uses less digits than its factorization.

315167242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its digits is 10080, while the sum is 31.

The square root of 315167242 is about 17752.9502336936. The cubic root of 315167242 is about 680.5296061612.

The spelling of 315167242 in words is "three hundred fifteen million, one hundred sixty-seven thousand, two hundred forty-two".

Divisors: 1 2 13 26 47 94 349 611 698 739 1222 1478 4537 9074 9607 16403 19214 32806 34733 69466 213239 257911 426478 451529 515822 903058 3352843 6705686 12121817 24243634 157583621 315167242