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112943831 = 71113112831
BaseRepresentation
bin1101011101101…
…10001011010111
321212112010210212
412232312023113
5212403200311
615112440035
72541002210
oct656661327
9255463725
10112943831
1158832410
12319a901b
131a526290
1411000407
159daec8b
hex6bb62d7

112943831 has 16 divisors (see below), whose sum is σ = 151646208. Its totient is φ = 81237600.

The previous prime is 112943821. The next prime is 112943837. The reversal of 112943831 is 138349211.

It is a cyclic number.

It is not a de Polignac number, because 112943831 - 226 = 45834967 is a prime.

It is a super-2 number, since 2×1129438312 = 25512617921913122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112943837) 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 15 ways as a sum of consecutive naturals, for example, 55415 + ... + 57416.

It is an arithmetic number, because the mean of its divisors is an integer number (9477888).

Almost surely, 2112943831 is an apocalyptic number.

112943831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112943831 is a deficient number, since it is larger than the sum of its proper divisors (38702377).

112943831 is a wasteful number, since it uses less digits than its factorization.

112943831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112862.

The product of its digits is 5184, while the sum is 32.

The square root of 112943831 is about 10627.5035168190. The cubic root of 112943831 is about 483.3786950159.

The spelling of 112943831 in words is "one hundred twelve million, nine hundred forty-three thousand, eight hundred thirty-one".

Divisors: 1 7 11 13 77 91 143 1001 112831 789817 1241141 1466803 8687987 10267621 16134833 112943831