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112143 = 3291289
BaseRepresentation
bin11011011000001111
312200211110
4123120033
512042033
62223103
7644643
oct333017
9180743
10112143
1177289
1254a93
133c075
142cc23
1523363
hex1b60f

112143 has 8 divisors (see below), whose sum is σ = 154800. Its totient is φ = 72128.

The previous prime is 112139. The next prime is 112153. The reversal of 112143 is 341211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 112143 - 22 = 112139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112103) 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, 558 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (19350).

2112143 is an apocalyptic number.

112143 is a deficient number, since it is larger than the sum of its proper divisors (42657).

112143 is a wasteful number, since it uses less digits than its factorization.

112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 24, while the sum is 12.

The square root of 112143 is about 334.8775895757. The cubic root of 112143 is about 48.2233514601.

Adding to 112143 its reverse (341211), we get a palindrome (453354).

The spelling of 112143 in words is "one hundred twelve thousand, one hundred forty-three", and thus it is an iban number.

Divisors: 1 3 29 87 1289 3867 37381 112143