Base | Representation |
---|---|
bin | 110100100111… |
… | …001011000101 |
3 | 221221200222122 |
4 | 310213023011 |
5 | 12012320231 |
6 | 1211335325 |
7 | 225141512 |
oct | 64471305 |
9 | 27850878 |
10 | 13791941 |
11 | 78700a9 |
12 | 4751545 |
13 | 2b1b817 |
14 | 1b90309 |
15 | 132677b |
hex | d272c5 |
13791941 has 2 divisors, whose sum is σ = 13791942. Its totient is φ = 13791940.
The previous prime is 13791937. The next prime is 13791959. The reversal of 13791941 is 14919731.
It is a happy number.
13791941 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., 11628100 + 2163841 = 3410^2 + 1471^2 .
It is a cyclic number.
It is not a de Polignac number, because 13791941 - 22 = 13791937 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13791961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6895970 + 6895971.
It is an arithmetic number, because the mean of its divisors is an integer number (6895971).
Almost surely, 213791941 is an apocalyptic number.
It is an amenable number.
13791941 is a deficient number, since it is larger than the sum of its proper divisors (1).
13791941 is an equidigital number, since it uses as much as digits as its factorization.
13791941 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6804, while the sum is 35.
The square root of 13791941 is about 3713.7502608549. The cubic root of 13791941 is about 239.8143297774.
The spelling of 13791941 in words is "thirteen million, seven hundred ninety-one thousand, nine hundred forty-one".
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