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117372660 = 22351956211
BaseRepresentation
bin1101111111011…
…11011011110100
322011212011000120
412333233123310
5220021411120
615351411540
72623436226
oct677573364
9264764016
10117372660
11602878a9
1233383bb0
131b4170a2
1411834416
15a487140
hex6fef6f4

117372660 has 24 divisors (see below), whose sum is σ = 328643616. Its totient is φ = 31299360.

The previous prime is 117372659. The next prime is 117372679. The reversal of 117372660 is 66273711.

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, 978046 + ... + 978165.

It is an arithmetic number, because the mean of its divisors is an integer number (13693484).

Almost surely, 2117372660 is an apocalyptic number.

117372660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117372660 is an abundant number, since it is smaller than the sum of its proper divisors (211270956).

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

117372660 is a wasteful number, since it uses less digits than its factorization.

117372660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956223 (or 1956221 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 117372660 is about 10833.8663458619. The cubic root of 117372660 is about 489.6160535287.

The spelling of 117372660 in words is "one hundred seventeen million, three hundred seventy-two thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1956211 3912422 5868633 7824844 9781055 11737266 19562110 23474532 29343165 39124220 58686330 117372660