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112139960 = 2356145959
BaseRepresentation
bin1101010111100…
…01111010111000
321211000022002212
412223301322320
5212201434320
615043314252
72531113442
oct653617270
9254008085
10112139960
1158333459
123167b988
131a30440a
1410c71492
159ca19c5
hex6af1eb8

112139960 has 32 divisors (see below), whose sum is σ = 256456800. Its totient is φ = 44119680.

The previous prime is 112139953. The next prime is 112139969. The reversal of 112139960 is 69931211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112139969) 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, 20540 + ... + 25419.

It is an arithmetic number, because the mean of its divisors is an integer number (8014275).

Almost surely, 2112139960 is an apocalyptic number.

112139960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112139960 is an abundant number, since it is smaller than the sum of its proper divisors (144316840).

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

112139960 is a wasteful number, since it uses less digits than its factorization.

112139960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46031 (or 46027 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 112139960 is about 10589.6156681912. The cubic root of 112139960 is about 482.2291570597.

The spelling of 112139960 in words is "one hundred twelve million, one hundred thirty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2440 45959 91918 183836 229795 367672 459590 919180 1838360 2803499 5606998 11213996 14017495 22427992 28034990 56069980 112139960