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117217960 = 2352930449
BaseRepresentation
bin1101111110010…
…01101010101000
322011120021210221
412333021222220
5220001433320
615344215424
72622223216
oct677115250
9264507727
10117217960
1160191652
123330a574
131b391852
14117d3cb6
15a4563aa
hex6fc9aa8

117217960 has 16 divisors (see below), whose sum is σ = 263740500. Its totient is φ = 46887168.

The previous prime is 117217949. The next prime is 117217979. The reversal of 117217960 is 69712711.

It can be written as a sum of positive squares in 2 ways, for example, as 116165284 + 1052676 = 10778^2 + 1026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465185 + ... + 1465264.

Almost surely, 2117217960 is an apocalyptic number.

117217960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117217960 is an abundant number, since it is smaller than the sum of its proper divisors (146522540).

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

117217960 is a wasteful number, since it uses less digits than its factorization.

117217960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930460 (or 2930456 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 117217960 is about 10826.7243430319. The cubic root of 117217960 is about 489.4008503596.

The spelling of 117217960 in words is "one hundred seventeen million, two hundred seventeen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2930449 5860898 11721796 14652245 23443592 29304490 58608980 117217960