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117599980 = 2255999661
BaseRepresentation
bin1110000001001…
…10111011101100
322012021200211211
413000212323230
5220101144410
615400324204
72625404041
oct700467354
9265250754
10117599980
1160422673
1233473664
131b4966b4
14118931c8
15a4ce68a
hex7026eec

117599980 has 24 divisors (see below), whose sum is σ = 251148240. Its totient is φ = 46242240.

The previous prime is 117599947. The next prime is 117599983. The reversal of 117599980 is 89995711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117599983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48651 + ... + 51010.

It is an arithmetic number, because the mean of its divisors is an integer number (10464510).

Almost surely, 2117599980 is an apocalyptic number.

117599980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117599980 is an abundant number, since it is smaller than the sum of its proper divisors (133548260).

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

117599980 is a wasteful number, since it uses less digits than its factorization.

117599980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99729 (or 99727 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 117599980 is about 10844.3524472418. The cubic root of 117599980 is about 489.9319355687.

The spelling of 117599980 in words is "one hundred seventeen million, five hundred ninety-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 99661 199322 398644 498305 996610 1993220 5879999 11759998 23519996 29399995 58799990 117599980