Base | Representation |
---|---|
bin | 110010111101… |
… | …001101000001 |
3 | 221010122120122 |
4 | 302331031001 |
5 | 11404423024 |
6 | 1154150025 |
7 | 221353166 |
oct | 62751501 |
9 | 27118518 |
10 | 13357889 |
11 | 75a3a86 |
12 | 4582315 |
13 | 29c909c |
14 | 1aba06d |
15 | 128cd5e |
hex | cbd341 |
13357889 has 2 divisors, whose sum is σ = 13357890. Its totient is φ = 13357888.
The previous prime is 13357879. The next prime is 13357973. The reversal of 13357889 is 98875331.
It is a happy number.
13357889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11937025 + 1420864 = 3455^2 + 1192^2 .
It is a cyclic number.
It is not a de Polignac number, because 13357889 - 28 = 13357633 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a plaindrome in base 10.
It is not a weakly prime, because it can be changed into another prime (13357879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678944 + 6678945.
It is an arithmetic number, because the mean of its divisors is an integer number (6678945).
Almost surely, 213357889 is an apocalyptic number.
It is an amenable number.
13357889 is a deficient number, since it is larger than the sum of its proper divisors (1).
13357889 is an equidigital number, since it uses as much as digits as its factorization.
13357889 is an evil number, because the sum of its binary digits is even.
The product of its digits is 181440, while the sum is 44.
The square root of 13357889 is about 3654.8445931394. The cubic root of 13357889 is about 237.2717008372.
The spelling of 13357889 in words is "thirteen million, three hundred fifty-seven thousand, eight hundred eighty-nine".
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