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112655231 = 132666599
BaseRepresentation
bin1101011011011…
…11101101111111
321211222110220222
412231233231333
5212314431411
615102331555
72535360623
oct655575577
9254873828
10112655231
11586555a7
1231889bbb
131a454b00
1410d67183
159d544db
hex6b6fb7f

112655231 has 6 divisors (see below), whose sum is σ = 121987800. Its totient is φ = 103989288.

The previous prime is 112655201. The next prime is 112655239. The reversal of 112655231 is 132556211.

It is a de Polignac number, because none of the positive numbers 2k-112655231 is a prime.

It is a super-2 number, since 2×1126552312 = 25382402143326722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112655231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112655239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333131 + ... + 333468.

It is an arithmetic number, because the mean of its divisors is an integer number (20331300).

Almost surely, 2112655231 is an apocalyptic number.

112655231 is a deficient number, since it is larger than the sum of its proper divisors (9332569).

112655231 is an equidigital number, since it uses as much as digits as its factorization.

112655231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666625 (or 666612 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 112655231 is about 10613.9168547714. The cubic root of 112655231 is about 482.9666256390.

The spelling of 112655231 in words is "one hundred twelve million, six hundred fifty-five thousand, two hundred thirty-one".

Divisors: 1 13 169 666599 8665787 112655231