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117838912 = 261996907
BaseRepresentation
bin1110000011000…
…01010001000000
322012201211121011
413001201101000
5220131321122
615405410304
72630420452
oct701412100
9265654534
10117838912
1160576134
1233569994
131b54b389
14119162d2
15a52a377
hex7061440

117838912 has 28 divisors (see below), whose sum is σ = 246146320. Its totient is φ = 55817856.

The previous prime is 117838909. The next prime is 117838921. The reversal of 117838912 is 219838711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47238 + ... + 49669.

It is an arithmetic number, because the mean of its divisors is an integer number (8790940).

Almost surely, 2117838912 is an apocalyptic number.

It is an amenable number.

117838912 is an abundant number, since it is smaller than the sum of its proper divisors (128307408).

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

117838912 is an equidigital number, since it uses as much as digits as its factorization.

117838912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96938 (or 96928 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 117838912 is about 10855.3632827280. The cubic root of 117838912 is about 490.2635150696.

The spelling of 117838912 in words is "one hundred seventeen million, eight hundred thirty-eight thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 64 76 152 304 608 1216 96907 193814 387628 775256 1550512 1841233 3101024 3682466 6202048 7364932 14729864 29459728 58919456 117838912