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117125988 = 22371782021
BaseRepresentation
bin1101111101100…
…11001101100100
322011101121122120
412332303031210
5214441012423
615342225540
72621361120
oct676631544
9264347576
10117125988
1160129541
12332852b0
131b35ba25
14117ac580
15a438ee3
hex6fb3364

117125988 has 48 divisors (see below), whose sum is σ = 330712704. Its totient is φ = 31495680.

The previous prime is 117125977. The next prime is 117125993. The reversal of 117125988 is 889521711.

It is a super-2 number, since 2×1171259882 = 27436994129952288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 39583 + ... + 42438.

It is an arithmetic number, because the mean of its divisors is an integer number (6889848).

Almost surely, 2117125988 is an apocalyptic number.

It is an amenable number.

117125988 is an abundant number, since it is smaller than the sum of its proper divisors (213586716).

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

117125988 is a wasteful number, since it uses less digits than its factorization.

117125988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82052 (or 82050 counting only the distinct ones).

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

The square root of 117125988 is about 10822.4760567996. The cubic root of 117125988 is about 489.2728183515.

The spelling of 117125988 in words is "one hundred seventeen million, one hundred twenty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 17 21 28 34 42 51 68 84 102 119 204 238 357 476 714 1428 82021 164042 246063 328084 492126 574147 984252 1148294 1394357 1722441 2296588 2788714 3444882 4183071 5577428 6889764 8366142 9760499 16732284 19520998 29281497 39041996 58562994 117125988