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117860720 = 2452336323
BaseRepresentation
bin1110000011001…
…10100101110000
322012202221111212
413001212211300
5220133020340
615410055252
72630541155
oct701464560
9265687455
10117860720
116059055a
123357a528
131b558293
141192022c
15a531a65
hex7066970

117860720 has 40 divisors (see below), whose sum is σ = 275245776. Its totient is φ = 46934528.

The previous prime is 117860713. The next prime is 117860731. The reversal of 117860720 is 27068711.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1178607202 = 27782298637836800, which contains 22 as substring.

It is a congruent number.

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, 15479 + ... + 21801.

Almost surely, 2117860720 is an apocalyptic number.

117860720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117860720 is an abundant number, since it is smaller than the sum of its proper divisors (157385056).

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

117860720 is a wasteful number, since it uses less digits than its factorization.

117860720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569 (or 6563 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 117860720 is about 10856.3677166905. The cubic root of 117860720 is about 490.2937569398.

The spelling of 117860720 in words is "one hundred seventeen million, eight hundred sixty thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 233 466 932 1165 1864 2330 3728 4660 6323 9320 12646 18640 25292 31615 50584 63230 101168 126460 252920 505840 1473259 2946518 5893036 7366295 11786072 14732590 23572144 29465180 58930360 117860720