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112830 = 2353761
BaseRepresentation
bin11011100010111110
312201202220
4123202332
512102310
62230210
7646644
oct334276
9181686
10112830
1177853
1255366
133c483
142d194
1523670
hex1b8be

112830 has 16 divisors (see below), whose sum is σ = 270864. Its totient is φ = 30080.

The previous prime is 112807. The next prime is 112831. The reversal of 112830 is 38211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam 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, 1851 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (16929).

2112830 is an apocalyptic number.

112830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112830 is an abundant number, since it is smaller than the sum of its proper divisors (158034).

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

112830 is a wasteful number, since it uses less digits than its factorization.

112830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112830 is about 335.9017713559. The cubic root of 112830 is about 48.3216248558.

The spelling of 112830 in words is "one hundred twelve thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3761 7522 11283 18805 22566 37610 56415 112830