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117755660 = 225112918457
BaseRepresentation
bin1110000010011…
…00111100001100
322012120121101202
413001030330030
5220121140120
615403525032
72626622651
oct701147414
9265517352
10117755660
1160519630
1233529778
131b51c509
14118d3c28
15a510875
hex704cf0c

117755660 has 48 divisors (see below), whose sum is σ = 279084960. Its totient is φ = 41341440.

The previous prime is 117755641. The next prime is 117755713. The reversal of 117755660 is 66557711.

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, 2849 + ... + 15608.

It is an arithmetic number, because the mean of its divisors is an integer number (5814270).

Almost surely, 2117755660 is an apocalyptic number.

117755660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117755660 is an abundant number, since it is smaller than the sum of its proper divisors (161329300).

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

117755660 is a wasteful number, since it uses less digits than its factorization.

117755660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18506 (or 18504 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 117755660 is about 10851.5280030049. The cubic root of 117755660 is about 490.1480324639.

The spelling of 117755660 in words is "one hundred seventeen million, seven hundred fifty-five thousand, six hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 18457 36914 73828 92285 184570 203027 369140 406054 535253 812108 1015135 1070506 2030270 2141012 2676265 4060540 5352530 5887783 10705060 11775566 23551132 29438915 58877830 117755660