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117608915 = 5611672309
BaseRepresentation
bin1110000001010…
…01000111010011
322012022011002202
413000221013103
5220101441130
615400433415
72625442064
oct700510723
9265264082
10117608915
1160429356
123347886b
131b49a798
141189656b
15a4d2145
hex70291d3

117608915 has 16 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 91950720.

The previous prime is 117608893. The next prime is 117608921. The reversal of 117608915 is 519806711.

It is not a de Polignac number, because 117608915 - 224 = 100831699 is a prime.

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, 49781 + ... + 52089.

It is an arithmetic number, because the mean of its divisors is an integer number (9022860).

Almost surely, 2117608915 is an apocalyptic number.

117608915 is a deficient number, since it is larger than the sum of its proper divisors (26756845).

117608915 is a wasteful number, since it uses less digits than its factorization.

117608915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its (nonzero) digits is 15120, while the sum is 38.

The square root of 117608915 is about 10844.7644050021. The cubic root of 117608915 is about 489.9443432550.

The spelling of 117608915 in words is "one hundred seventeen million, six hundred eight thousand, nine hundred fifteen".

Divisors: 1 5 61 167 305 835 2309 10187 11545 50935 140849 385603 704245 1928015 23521783 117608915