Base | Representation |
---|---|
bin | 110011111000… |
… | …100101111101 |
3 | 221121000021021 |
4 | 303320211331 |
5 | 11440214044 |
6 | 1203304141 |
7 | 223415332 |
oct | 63704575 |
9 | 27530237 |
10 | 13601149 |
11 | 774a821 |
12 | 467b051 |
13 | 2a82a23 |
14 | 1b40989 |
15 | 12d9e84 |
hex | cf897d |
13601149 has 2 divisors, whose sum is σ = 13601150. Its totient is φ = 13601148.
The previous prime is 13601143. The next prime is 13601153. The reversal of 13601149 is 94110631.
13601149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13089924 + 511225 = 3618^2 + 715^2 .
It is an emirp because it is prime and its reverse (94110631) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13601149 - 25 = 13601117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13601143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6800574 + 6800575.
It is an arithmetic number, because the mean of its divisors is an integer number (6800575).
Almost surely, 213601149 is an apocalyptic number.
It is an amenable number.
13601149 is a deficient number, since it is larger than the sum of its proper divisors (1).
13601149 is an equidigital number, since it uses as much as digits as its factorization.
13601149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 13601149 is about 3687.9735628120. The cubic root of 13601149 is about 238.7033603147.
The spelling of 13601149 in words is "thirteen million, six hundred one thousand, one hundred forty-nine".
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