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116868560 = 2451460857
BaseRepresentation
bin1101111011101…
…00010111010000
322010220112112012
412331310113100
5214404243220
615332522052
72616236444
oct675642720
9263815465
10116868560
115aa73096
1233180328
131b29b7c3
1411742824
15a3d7ac5
hex6f745d0

116868560 has 20 divisors (see below), whose sum is σ = 271719588. Its totient is φ = 46747392.

The previous prime is 116868541. The next prime is 116868611. The reversal of 116868560 is 65868611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39639616 + 77228944 = 6296^2 + 8788^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 730349 + ... + 730508.

Almost surely, 2116868560 is an apocalyptic number.

116868560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116868560 is an abundant number, since it is smaller than the sum of its proper divisors (154851028).

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

116868560 is a wasteful number, since it uses less digits than its factorization.

116868560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460870 (or 1460864 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 116868560 is about 10810.5763028619. The cubic root of 116868560 is about 488.9141023115.

The spelling of 116868560 in words is "one hundred sixteen million, eight hundred sixty-eight thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1460857 2921714 5843428 7304285 11686856 14608570 23373712 29217140 58434280 116868560