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112957839 = 3222215651
BaseRepresentation
bin1101011101110…
…01100110001111
321212112212000200
412232321212033
5212404122324
615113024543
72541061101
oct656714617
9255485020
10112957839
1158841995
12319b5153
131a52c777
1411005571
159db3ec9
hex6bb998f

112957839 has 12 divisors (see below), whose sum is σ = 163263672. Its totient is φ = 75258000.

The previous prime is 112957811. The next prime is 112957847. The reversal of 112957839 is 938759211.

It is not a de Polignac number, because 112957839 - 225 = 79403407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112957794 and 112957803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112957849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17164 + ... + 22814.

It is an arithmetic number, because the mean of its divisors is an integer number (13605306).

Almost surely, 2112957839 is an apocalyptic number.

112957839 is a deficient number, since it is larger than the sum of its proper divisors (50305833).

112957839 is a wasteful number, since it uses less digits than its factorization.

112957839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878 (or 7875 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 112957839 is about 10628.1625410981. The cubic root of 112957839 is about 483.3986780724.

The spelling of 112957839 in words is "one hundred twelve million, nine hundred fifty-seven thousand, eight hundred thirty-nine".

Divisors: 1 3 9 2221 5651 6663 16953 19989 50859 12550871 37652613 112957839