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115931712 = 2631346447
BaseRepresentation
bin1101110100011…
…11101001000000
322002010221102010
412322033221000
5214134303322
615300452520
72605255221
oct672175100
9262127363
10115931712
115a493236
12329aa140
131b031260
141157b248
15a2a020c
hex6e8fa40

115931712 has 56 divisors (see below), whose sum is σ = 330338176. Its totient is φ = 35670528.

The previous prime is 115931689. The next prime is 115931747. The reversal of 115931712 is 217139511.

It is a self number, because there is not a number n which added to its sum of digits gives 115931712.

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, 20728 + ... + 25719.

It is an arithmetic number, because the mean of its divisors is an integer number (5898896).

Almost surely, 2115931712 is an apocalyptic number.

115931712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115931712 is an abundant number, since it is smaller than the sum of its proper divisors (214406464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115931712 is a wasteful number, since it uses less digits than its factorization.

115931712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46475 (or 46465 counting only the distinct ones).

The product of its digits is 1890, while the sum is 30.

The square root of 115931712 is about 10767.1589567536. The cubic root of 115931712 is about 487.6041760272.

The spelling of 115931712 in words is "one hundred fifteen million, nine hundred thirty-one thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 46447 92894 139341 185788 278682 371576 557364 603811 743152 1114728 1207622 1486304 1811433 2229456 2415244 2972608 3622866 4458912 4830488 7245732 8917824 9660976 14491464 19321952 28982928 38643904 57965856 115931712