Base | Representation |
---|---|
bin | 101100111000… |
… | …0110101100001 |
3 | 1122021111020221 |
4 | 1121300311201 |
5 | 22010441344 |
6 | 2200203041 |
7 | 404003026 |
oct | 131606541 |
9 | 48244227 |
10 | 23530849 |
11 | 12312091 |
12 | 7a69481 |
13 | 4b4b5a4 |
14 | 31a754d |
15 | 20ec184 |
hex | 1670d61 |
23530849 has 2 divisors, whose sum is σ = 23530850. Its totient is φ = 23530848.
The previous prime is 23530813. The next prime is 23530883. The reversal of 23530849 is 94803532.
It is a happy number.
It is an a-pointer prime, because the next prime (23530883) can be obtained adding 23530849 to its sum of digits (34).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14197824 + 9333025 = 3768^2 + 3055^2 .
It is a cyclic number.
It is not a de Polignac number, because 23530849 - 213 = 23522657 is a prime.
It is not a weakly prime, because it can be changed into another prime (23530349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11765424 + 11765425.
It is an arithmetic number, because the mean of its divisors is an integer number (11765425).
Almost surely, 223530849 is an apocalyptic number.
It is an amenable number.
23530849 is a deficient number, since it is larger than the sum of its proper divisors (1).
23530849 is an equidigital number, since it uses as much as digits as its factorization.
23530849 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 34.
The square root of 23530849 is about 4850.8606452876. The cubic root of 23530849 is about 286.5579966387.
The spelling of 23530849 in words is "twenty-three million, five hundred thirty thousand, eight hundred forty-nine".
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