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112787982 = 23231202129
BaseRepresentation
bin1101011100100…
…00001000001110
321212020020000200
412232100020032
5212333203412
615105234330
72536452636
oct656201016
9255206020
10112787982
115873630a
12319329a6
131a4a0368
1410d9d6c6
159d7d9dc
hex6b9020e

112787982 has 24 divisors (see below), whose sum is σ = 252258240. Its totient is φ = 36383040.

The previous prime is 112787981. The next prime is 112788017. The reversal of 112787982 is 289787211.

It is a super-2 number, since 2×1127879822 = 25442257767264648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112787981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100507 + ... + 101622.

It is an arithmetic number, because the mean of its divisors is an integer number (10510760).

Almost surely, 2112787982 is an apocalyptic number.

112787982 is an abundant number, since it is smaller than the sum of its proper divisors (139470258).

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

112787982 is a wasteful number, since it uses less digits than its factorization.

112787982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202168 (or 202165 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 112787982 is about 10620.1686427288. The cubic root of 112787982 is about 483.1562577128.

The spelling of 112787982 in words is "one hundred twelve million, seven hundred eighty-seven thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 202129 404258 606387 1212774 1819161 3638322 6265999 12531998 18797997 37595994 56393991 112787982