Base | Representation |
---|---|
bin | 101100010000… |
… | …0100010001101 |
3 | 1121122210001212 |
4 | 1120200202031 |
5 | 21414430213 |
6 | 2145144205 |
7 | 401133056 |
oct | 130404215 |
9 | 47583055 |
10 | 23201933 |
11 | 12107a57 |
12 | 792b065 |
13 | 4a64971 |
14 | 311d72d |
15 | 20849a8 |
hex | 162088d |
23201933 has 2 divisors, whose sum is σ = 23201934. Its totient is φ = 23201932.
The previous prime is 23201929. The next prime is 23201939. The reversal of 23201933 is 33910232.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20097289 + 3104644 = 4483^2 + 1762^2 .
It is a cyclic number.
It is not a de Polignac number, because 23201933 - 22 = 23201929 is a prime.
It is a Chen prime.
It is equal to p1460138 and since 23201933 and 1460138 have the same sum of digits, it is a Honaker prime.
It is a junction number, because it is equal to n+sod(n) for n = 23201899 and 23201908.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23201939) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600966 + 11600967.
It is an arithmetic number, because the mean of its divisors is an integer number (11600967).
Almost surely, 223201933 is an apocalyptic number.
It is an amenable number.
23201933 is a deficient number, since it is larger than the sum of its proper divisors (1).
23201933 is an equidigital number, since it uses as much as digits as its factorization.
23201933 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 972, while the sum is 23.
The square root of 23201933 is about 4816.8384859781. The cubic root of 23201933 is about 285.2165503045.
The spelling of 23201933 in words is "twenty-three million, two hundred one thousand, nine hundred thirty-three".
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