Search a number
-
+
112904 = 23111283
BaseRepresentation
bin11011100100001000
312201212122
4123210020
512103104
62230412
7650111
oct334410
9181778
10112904
1177910
1255408
133c50c
142d208
15236be
hex1b908

112904 has 16 divisors (see below), whose sum is σ = 231120. Its totient is φ = 51280.

The previous prime is 112901. The next prime is 112909. The reversal of 112904 is 409211.

It is a happy number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (112901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (14445).

2112904 is an apocalyptic number.

It is an amenable number.

112904 is an abundant number, since it is smaller than the sum of its proper divisors (118216).

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

112904 is a wasteful number, since it uses less digits than its factorization.

112904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 112904 is about 336.0119045510. The cubic root of 112904 is about 48.3321865232.

The spelling of 112904 in words is "one hundred twelve thousand, nine hundred four".

Divisors: 1 2 4 8 11 22 44 88 1283 2566 5132 10264 14113 28226 56452 112904