Base | Representation |
---|---|
bin | 101100001000… |
… | …0111011111001 |
3 | 1121112112102111 |
4 | 1120100323321 |
5 | 21410404131 |
6 | 2143532321 |
7 | 400445563 |
oct | 130207371 |
9 | 47475374 |
10 | 23138041 |
11 | 12073a53 |
12 | 78ba0a1 |
13 | 4a41864 |
14 | 3104333 |
15 | 2070ab1 |
hex | 1610ef9 |
23138041 has 2 divisors, whose sum is σ = 23138042. Its totient is φ = 23138040.
The previous prime is 23138039. The next prime is 23138047. The reversal of 23138041 is 14083132.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 16168441 + 6969600 = 4021^2 + 2640^2 .
It is a cyclic number.
It is not a de Polignac number, because 23138041 - 21 = 23138039 is a prime.
Together with 23138039, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (23138047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11569020 + 11569021.
It is an arithmetic number, because the mean of its divisors is an integer number (11569021).
Almost surely, 223138041 is an apocalyptic number.
It is an amenable number.
23138041 is a deficient number, since it is larger than the sum of its proper divisors (1).
23138041 is an equidigital number, since it uses as much as digits as its factorization.
23138041 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 23138041 is about 4810.2017629201. The cubic root of 23138041 is about 284.9545059218.
The spelling of 23138041 in words is "twenty-three million, one hundred thirty-eight thousand, forty-one".
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