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117428512 = 2519193139
BaseRepresentation
bin1101111111111…
…01000100100000
322011221222122011
412333331010200
5220030203022
615352522304
72624061115
oct677750440
9264858564
10117428512
1160315863
12333b0394
131b436636
141184a90c
15a498977
hex6ffd120

117428512 has 24 divisors (see below), whose sum is σ = 243356400. Its totient is φ = 55623744.

The previous prime is 117428497. The next prime is 117428567. The reversal of 117428512 is 215824711.

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, 95962 + ... + 97177.

It is an arithmetic number, because the mean of its divisors is an integer number (10139850).

Almost surely, 2117428512 is an apocalyptic number.

It is an amenable number.

117428512 is an abundant number, since it is smaller than the sum of its proper divisors (125927888).

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

117428512 is a wasteful number, since it uses less digits than its factorization.

117428512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193168 (or 193160 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 117428512 is about 10836.4436970807. The cubic root of 117428512 is about 489.6937027854.

The spelling of 117428512 in words is "one hundred seventeen million, four hundred twenty-eight thousand, five hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 193139 386278 772556 1545112 3090224 3669641 6180448 7339282 14678564 29357128 58714256 117428512