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315489968 = 24431393299
BaseRepresentation
bin10010110011011…
…111111010110000
3210222122112212122
4102303133322300
51121231134333
651150013412
710550422553
oct2263377260
9728575778
10315489968
111520a4312
12897a7268
1350492471
142dc8669a
151ca6d798
hex12cdfeb0

315489968 has 40 divisors (see below), whose sum is σ = 630168000. Its totient is φ = 152921664.

The previous prime is 315489953. The next prime is 315489989. The reversal of 315489968 is 869984513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93983 + ... + 97281.

It is an arithmetic number, because the mean of its divisors is an integer number (15754200).

Almost surely, 2315489968 is an apocalyptic number.

It is an amenable number.

315489968 is a deficient number, since it is larger than the sum of its proper divisors (314678032).

315489968 is a wasteful number, since it uses less digits than its factorization.

315489968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 315489968 is about 17762.0372705385. The cubic root of 315489968 is about 680.7618105774.

The spelling of 315489968 in words is "three hundred fifteen million, four hundred eighty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 43 86 139 172 278 344 556 688 1112 2224 3299 5977 6598 11954 13196 23908 26392 47816 52784 95632 141857 283714 458561 567428 917122 1134856 1834244 2269712 3668488 7336976 19718123 39436246 78872492 157744984 315489968