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112915 = 5112053
BaseRepresentation
bin11011100100010011
312201220001
4123210103
512103130
62230431
7650125
oct334423
9181801
10112915
1177920
1255417
133c51a
142d215
15236ca
hex1b913

112915 has 8 divisors (see below), whose sum is σ = 147888. Its totient is φ = 82080.

The previous prime is 112913. The next prime is 112919. The reversal of 112915 is 519211.

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

It is not a de Polignac number, because 112915 - 21 = 112913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112892 and 112901.

It is not an unprimeable number, because it can be changed into a prime (112913) 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, 972 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (18486).

2112915 is an apocalyptic number.

112915 is a deficient number, since it is larger than the sum of its proper divisors (34973).

112915 is a wasteful number, since it uses less digits than its factorization.

112915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its digits is 90, while the sum is 19.

The square root of 112915 is about 336.0282726200. The cubic root of 112915 is about 48.3337561068. Note that the first 3 decimals are identical.

Subtracting from 112915 its sum of digits (19), we obtain a square (112896 = 3362).

It can be divided in two parts, 11 and 2915, that added together give a triangular number (2926 = T76).

The spelling of 112915 in words is "one hundred twelve thousand, nine hundred fifteen".

Divisors: 1 5 11 55 2053 10265 22583 112915