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315315074 = 2318957143
BaseRepresentation
bin10010110010110…
…101001110000010
3210222022122222002
4102302311032002
51121210040244
651142144002
710546063634
oct2262651602
9728278862
10315315074
11151a94978
1289722002
1350430989
142dc3ca54
151ca36a4e
hex12cb5382

315315074 has 16 divisors (see below), whose sum is σ = 493724160. Its totient is φ = 150854880.

The previous prime is 315315071. The next prime is 315315097. The reversal of 315315074 is 470513513.

It is not an unprimeable number, because it can be changed into a prime (315315071) by changing a digit.

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, 23054 + ... + 34089.

It is an arithmetic number, because the mean of its divisors is an integer number (30857760).

Almost surely, 2315315074 is an apocalyptic number.

315315074 is a deficient number, since it is larger than the sum of its proper divisors (178409086).

315315074 is a wasteful number, since it uses less digits than its factorization.

315315074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57265.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 315315074 is about 17757.1133352243. The cubic root of 315315074 is about 680.6359923520.

Adding to 315315074 its reverse (470513513), we get a palindrome (785828587).

The spelling of 315315074 in words is "three hundred fifteen million, three hundred fifteen thousand, seventy-four".

Divisors: 1 2 31 62 89 178 2759 5518 57143 114286 1771433 3542866 5085727 10171454 157657537 315315074