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115712988 = 22341479491
BaseRepresentation
bin1101110010110…
…10001111011100
322001201211101020
412321122033130
5214110303423
615252044140
72603354436
oct671321734
9261654336
10115712988
115a353976
1232903650
131ac85831
1411521656
15a25a4e3
hex6e5a3dc

115712988 has 48 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 37475200.

The previous prime is 115712969. The next prime is 115713001. The reversal of 115712988 is 889217511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235423 + ... + 235913.

It is an arithmetic number, because the mean of its divisors is an integer number (5785920).

Almost surely, 2115712988 is an apocalyptic number.

It is an amenable number.

115712988 is an abundant number, since it is smaller than the sum of its proper divisors (162011172).

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

115712988 is a wasteful number, since it uses less digits than its factorization.

115712988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 40320, while the sum is 42.

The square root of 115712988 is about 10756.9971646366. The cubic root of 115712988 is about 487.2973348254.

The spelling of 115712988 in words is "one hundred fifteen million, seven hundred twelve thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 479 491 492 958 982 1437 1473 1916 1964 2874 2946 5748 5892 19639 20131 39278 40262 58917 60393 78556 80524 117834 120786 235189 235668 241572 470378 705567 940756 1411134 2822268 9642749 19285498 28928247 38570996 57856494 115712988