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117038871 = 3327715649
BaseRepresentation
bin1101111100111…
…01111100010111
322011020012011000
412332131330113
5214430220441
615340314343
72620546125
oct676357427
9264205130
10117038871
116007a044
12332429b3
131b32b191
1411788915
15a41d2b6
hex6f9df17

117038871 has 16 divisors (see below), whose sum is σ = 174028000. Its totient is φ = 77739264.

The previous prime is 117038861. The next prime is 117038891. The reversal of 117038871 is 178830711.

It is not a de Polignac number, because 117038871 - 210 = 117037847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117038861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 15303.

It is an arithmetic number, because the mean of its divisors is an integer number (10876750).

Almost surely, 2117038871 is an apocalyptic number.

117038871 is a deficient number, since it is larger than the sum of its proper divisors (56989129).

117038871 is a wasteful number, since it uses less digits than its factorization.

117038871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935 (or 15929 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 36.

The square root of 117038871 is about 10818.4504897883. The cubic root of 117038871 is about 489.1514830471.

The spelling of 117038871 in words is "one hundred seventeen million, thirty-eight thousand, eight hundred seventy-one".

Divisors: 1 3 9 27 277 831 2493 7479 15649 46947 140841 422523 4334773 13004319 39012957 117038871