Base | Representation |
---|---|
bin | 101011110111… |
… | …1011101000111 |
3 | 1121021120022022 |
4 | 1113233131013 |
5 | 21342012103 |
6 | 2140553355 |
7 | 366335012 |
oct | 127573507 |
9 | 47246268 |
10 | 23000903 |
11 | 11a8aa12 |
12 | 785285b |
13 | 49c4303 |
14 | 30aa379 |
15 | 2045138 |
hex | 15ef747 |
23000903 has 2 divisors, whose sum is σ = 23000904. Its totient is φ = 23000902.
The previous prime is 23000867. The next prime is 23000909. The reversal of 23000903 is 30900032.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 23000903 - 28 = 23000647 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (23000909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500451 + 11500452.
It is an arithmetic number, because the mean of its divisors is an integer number (11500452).
Almost surely, 223000903 is an apocalyptic number.
23000903 is a deficient number, since it is larger than the sum of its proper divisors (1).
23000903 is an equidigital number, since it uses as much as digits as its factorization.
23000903 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 162, while the sum is 17.
The square root of 23000903 is about 4795.9256666466. The cubic root of 23000903 is about 284.3904196928.
Adding to 23000903 its reverse (30900032), we get a palindrome (53900935).
The spelling of 23000903 in words is "twenty-three million, nine hundred three", and thus it is an aban number.
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