Base | Representation |
---|---|
bin | 101100001011… |
… | …0100100101100 |
3 | 1121120201002201 |
4 | 1120112210230 |
5 | 21412124012 |
6 | 2144231244 |
7 | 400603111 |
oct | 130264454 |
9 | 47521081 |
10 | 23161132 |
11 | 1208a335 |
12 | 790b524 |
13 | 4a4c217 |
14 | 310c908 |
15 | 2077857 |
hex | 161692c |
23161132 has 12 divisors (see below), whose sum is σ = 40707576. Its totient is φ = 11530400.
The previous prime is 23161129. The next prime is 23161139. The reversal of 23161132 is 23116132.
It is not an unprimeable number, because it can be changed into a prime (23161139) 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 3 ways as a sum of consecutive naturals, for example, 11494 + ... + 13357.
It is an arithmetic number, because the mean of its divisors is an integer number (3392298).
Almost surely, 223161132 is an apocalyptic number.
It is an amenable number.
23161132 is a deficient number, since it is larger than the sum of its proper divisors (17546444).
23161132 is a wasteful number, since it uses less digits than its factorization.
23161132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25088 (or 25086 counting only the distinct ones).
The product of its digits is 216, while the sum is 19.
The square root of 23161132 is about 4812.6013755556. The cubic root of 23161132 is about 285.0492661318.
Adding to 23161132 its reverse (23116132), we get a palindrome (46277264).
The spelling of 23161132 in words is "twenty-three million, one hundred sixty-one thousand, one hundred thirty-two".
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