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112638 = 2318773
BaseRepresentation
bin11011011111111110
312201111210
4123133332
512101023
62225250
7646251
oct333776
9181453
10112638
1177699
1255226
133c366
142d098
1523593
hex1b7fe

112638 has 8 divisors (see below), whose sum is σ = 225288. Its totient is φ = 37544.

The previous prime is 112621. The next prime is 112643. The reversal of 112638 is 836211.

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

112638 is an admirable number.

It is a congruent number.

It is an unprimeable number.

112638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9381 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (28161).

2112638 is an apocalyptic number.

112638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112638 is a wasteful number, since it uses less digits than its factorization.

112638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778.

The product of its digits is 288, while the sum is 21.

The square root of 112638 is about 335.6158518306. The cubic root of 112638 is about 48.2942000588.

Adding to 112638 its reverse (836211), we get a palindrome (948849).

The spelling of 112638 in words is "one hundred twelve thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 18773 37546 56319 112638