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112947 = 337649
BaseRepresentation
bin11011100100110011
312201221020
4123210303
512103242
62230523
7650202
oct334463
9181836
10112947
117794a
1255443
133c543
142d239
15236ec
hex1b933

112947 has 4 divisors (see below), whose sum is σ = 150600. Its totient is φ = 75296.

The previous prime is 112939. The next prime is 112951. The reversal of 112947 is 749211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749211 = 3249737.

It is a cyclic number.

It is not a de Polignac number, because 112947 - 23 = 112939 is a prime.

It is a D-number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (112927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18822 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (37650).

2112947 is an apocalyptic number.

112947 is a deficient number, since it is larger than the sum of its proper divisors (37653).

112947 is an equidigital number, since it uses as much as digits as its factorization.

112947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37652.

The product of its digits is 504, while the sum is 24.

The square root of 112947 is about 336.0758842881. The cubic root of 112947 is about 48.3383215885.

It can be divided in two parts, 1129 and 47, that added together give a triangular number (1176 = T48).

The spelling of 112947 in words is "one hundred twelve thousand, nine hundred forty-seven".

Divisors: 1 3 37649 112947