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112861 = 723701
BaseRepresentation
bin11011100011011101
312201211001
4123203131
512102421
62230301
7650020
oct334335
9181731
10112861
1177881
1255391
133c4a8
142d1b7
1523691
hex1b8dd

112861 has 8 divisors (see below), whose sum is σ = 134784. Its totient is φ = 92400.

The previous prime is 112859. The next prime is 112877. The reversal of 112861 is 168211.

112861 = T93 + T94 + ... + T113.

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

It is not a de Polignac number, because 112861 - 21 = 112859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112831) 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 7 ways as a sum of consecutive naturals, for example, 190 + ... + 511.

It is an arithmetic number, because the mean of its divisors is an integer number (16848).

2112861 is an apocalyptic number.

It is an amenable number.

112861 is a deficient number, since it is larger than the sum of its proper divisors (21923).

112861 is an equidigital number, since it uses as much as digits as its factorization.

112861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 96, while the sum is 19.

The square root of 112861 is about 335.9479126293. The cubic root of 112861 is about 48.3260499000.

The spelling of 112861 in words is "one hundred twelve thousand, eight hundred sixty-one".

Divisors: 1 7 23 161 701 4907 16123 112861