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112881 = 3191197
BaseRepresentation
bin11011100011110001
312201211210
4123203301
512103011
62230333
7650046
oct334361
9181753
10112881
117789a
12553a9
133c4c2
142d1cd
15236a6
hex1b8f1

112881 has 8 divisors (see below), whose sum is σ = 152064. Its totient is φ = 74480.

The previous prime is 112877. The next prime is 112901. The reversal of 112881 is 188211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112881 - 22 = 112877 is a prime.

It is a super-2 number, since 2×1128812 = 25484240322, which contains 22 as substring.

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 112881.

It is not an unprimeable number, because it can be changed into a prime (112831) 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, 475 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (19008).

2112881 is an apocalyptic number.

It is an amenable number.

112881 is a deficient number, since it is larger than the sum of its proper divisors (39183).

112881 is a wasteful number, since it uses less digits than its factorization.

112881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its digits is 128, while the sum is 21.

The square root of 112881 is about 335.9776778299. The cubic root of 112881 is about 48.3289043372.

The spelling of 112881 in words is "one hundred twelve thousand, eight hundred eighty-one".

Divisors: 1 3 191 197 573 591 37627 112881