Base | Representation |
---|---|
bin | 110010100100… |
… | …001111011001 |
3 | 220221110022200 |
4 | 302210033121 |
5 | 11343140031 |
6 | 1152040413 |
7 | 220446120 |
oct | 62441731 |
9 | 26843280 |
10 | 13255641 |
11 | 7534183 |
12 | 4533109 |
13 | 2991699 |
14 | 1a90ab7 |
15 | 126c8e6 |
hex | ca43d9 |
13255641 has 12 divisors (see below), whose sum is σ = 21882432. Its totient is φ = 7574616.
The previous prime is 13255633. The next prime is 13255651. The reversal of 13255641 is 14655231.
13255641 is a `hidden beast` number, since 13 + 2 + 5 + 5 + 641 = 666.
13255641 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13255641 - 23 = 13255633 is a prime.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (13255601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105141 + ... + 105266.
It is an arithmetic number, because the mean of its divisors is an integer number (1823536).
Almost surely, 213255641 is an apocalyptic number.
It is an amenable number.
13255641 is a deficient number, since it is larger than the sum of its proper divisors (8626791).
13255641 is a wasteful number, since it uses less digits than its factorization.
13255641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210420 (or 210417 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 13255641 is about 3640.8297131286. The cubic root of 13255641 is about 236.6647505851.
The spelling of 13255641 in words is "thirteen million, two hundred fifty-five thousand, six hundred forty-one".
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