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117285868 = 2274789123
BaseRepresentation
bin1101111110110…
…10001111101100
322011200201222001
412333122033230
5220011121433
615345502044
72622625210
oct677321754
9264621861
10117285868
1160228677
1233341924
131b3b672b
1411810940
15a46b57d
hex6fda3ec

117285868 has 24 divisors (see below), whose sum is σ = 239565312. Its totient is φ = 49195344.

The previous prime is 117285829. The next prime is 117285877. The reversal of 117285868 is 868582711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43246 + ... + 45877.

It is an arithmetic number, because the mean of its divisors is an integer number (9981888).

Almost surely, 2117285868 is an apocalyptic number.

It is an amenable number.

117285868 is an abundant number, since it is smaller than the sum of its proper divisors (122279444).

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

117285868 is a wasteful number, since it uses less digits than its factorization.

117285868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89181 (or 89179 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 117285868 is about 10829.8600175626. The cubic root of 117285868 is about 489.4953404791.

The spelling of 117285868 in words is "one hundred seventeen million, two hundred eighty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 658 1316 89123 178246 356492 623861 1247722 2495444 4188781 8377562 16755124 29321467 58642934 117285868