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117915896 = 2372105641
BaseRepresentation
bin1110000011101…
…00000011111000
322012212202012102
413001310003320
5220141302041
615411202532
72631161060
oct701640370
9265782172
10117915896
1160618a5a
12335a6448
131b577427
14119363a0
15a54309b
hex70740f8

117915896 has 16 divisors (see below), whose sum is σ = 252677040. Its totient is φ = 50535360.

The previous prime is 117915887. The next prime is 117915899. The reversal of 117915896 is 698519711.

It is a super-3 number, since 3×1179158963 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117915896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117915899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052765 + ... + 1052876.

It is an arithmetic number, because the mean of its divisors is an integer number (15792315).

Almost surely, 2117915896 is an apocalyptic number.

It is an amenable number.

117915896 is an abundant number, since it is smaller than the sum of its proper divisors (134761144).

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

117915896 is a wasteful number, since it uses less digits than its factorization.

117915896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105654 (or 2105650 counting only the distinct ones).

The product of its digits is 136080, while the sum is 47.

The square root of 117915896 is about 10858.9086007757. The cubic root of 117915896 is about 490.3702546566.

It can be divided in two parts, 117915 and 896, that added together give a palindrome (118811).

The spelling of 117915896 in words is "one hundred seventeen million, nine hundred fifteen thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 2105641 4211282 8422564 14739487 16845128 29478974 58957948 117915896