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117913164 = 223191035021
BaseRepresentation
bin1110000011100…
…11011001001100
322012212121110020
413001303121030
5220141210124
615411142140
72631150105
oct701633114
9265777406
10117913164
11606169a6
12335a4950
131b576105
14119353ac
15a542379
hex707364c

117913164 has 48 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 36866880.

The previous prime is 117913151. The next prime is 117913193. The reversal of 117913164 is 461319711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20974 + ... + 25994.

It is an arithmetic number, because the mean of its divisors is an integer number (6093360).

Almost surely, 2117913164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117913164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

117913164 is an abundant number, since it is smaller than the sum of its proper divisors (174568116).

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

117913164 is a wasteful number, since it uses less digits than its factorization.

117913164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150 (or 5148 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 117913164 is about 10858.7828047162. The cubic root of 117913164 is about 490.3664674887.

The spelling of 117913164 in words is "one hundred seventeen million, nine hundred thirteen thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 103 114 206 228 309 412 618 1236 1957 3914 5021 5871 7828 10042 11742 15063 20084 23484 30126 60252 95399 190798 286197 381596 517163 572394 1034326 1144788 1551489 2068652 3102978 6205956 9826097 19652194 29478291 39304388 58956582 117913164