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112133231 = 7193127197
BaseRepresentation
bin1101010111100…
…00010001101111
321210222221212122
412223300101233
5212201230411
615043223155
72531055020
oct653602157
9253887778
10112133231
11583293a1
1231677abb
131a301332
1410c6cc47
159c9e9db
hex6af046f

112133231 has 16 divisors (see below), whose sum is σ = 139253760. Its totient is φ = 88115040.

The previous prime is 112133191. The next prime is 112133243. The reversal of 112133231 is 132331211.

It is a cyclic number.

It is not a de Polignac number, because 112133231 - 26 = 112133167 is a prime.

It is a super-2 number, since 2×1121332312 = 25147722988998722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112133251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9476 + ... + 17721.

It is an arithmetic number, because the mean of its divisors is an integer number (8703360).

Almost surely, 2112133231 is an apocalyptic number.

112133231 is a deficient number, since it is larger than the sum of its proper divisors (27120529).

112133231 is a wasteful number, since it uses less digits than its factorization.

112133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27254.

The product of its digits is 108, while the sum is 17.

The square root of 112133231 is about 10589.2979465118. The cubic root of 112133231 is about 482.2195114202.

Adding to 112133231 its reverse (132331211), we get a palindrome (244464442).

The spelling of 112133231 in words is "one hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 7 19 31 133 217 589 4123 27197 190379 516743 843107 3617201 5901749 16019033 112133231