Base | Representation |
---|---|
bin | 110101000010… |
… | …010000101101 |
3 | 222011100011222 |
4 | 311002100231 |
5 | 12024343033 |
6 | 1213553125 |
7 | 226113134 |
oct | 65022055 |
9 | 28140158 |
10 | 13902893 |
11 | 79364a4 |
12 | 47a57a5 |
13 | 2b5a184 |
14 | 1bbc91b |
15 | 1349598 |
hex | d4242d |
13902893 has 2 divisors, whose sum is σ = 13902894. Its totient is φ = 13902892.
The previous prime is 13902883. The next prime is 13902943. The reversal of 13902893 is 39820931.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12866569 + 1036324 = 3587^2 + 1018^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13902893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13902853) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951446 + 6951447.
It is an arithmetic number, because the mean of its divisors is an integer number (6951447).
Almost surely, 213902893 is an apocalyptic number.
It is an amenable number.
13902893 is a deficient number, since it is larger than the sum of its proper divisors (1).
13902893 is an equidigital number, since it uses as much as digits as its factorization.
13902893 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 13902893 is about 3728.6583377939. The cubic root of 13902893 is about 240.4556909394.
The spelling of 13902893 in words is "thirteen million, nine hundred two thousand, eight hundred ninety-three".
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