Base | Representation |
---|---|
bin | 110011000011… |
… | …111000100001 |
3 | 221012001002222 |
4 | 303003320201 |
5 | 11411311444 |
6 | 1154520425 |
7 | 221526023 |
oct | 63037041 |
9 | 27161088 |
10 | 13385249 |
11 | 7612599 |
12 | 4596115 |
13 | 2a08687 |
14 | 1ac6013 |
15 | 1295eee |
hex | cc3e21 |
13385249 has 2 divisors, whose sum is σ = 13385250. Its totient is φ = 13385248.
The previous prime is 13385243. The next prime is 13385257. The reversal of 13385249 is 94258331.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9610000 + 3775249 = 3100^2 + 1943^2 .
It is a cyclic number.
It is not a de Polignac number, because 13385249 - 28 = 13384993 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13385243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6692624 + 6692625.
It is an arithmetic number, because the mean of its divisors is an integer number (6692625).
Almost surely, 213385249 is an apocalyptic number.
It is an amenable number.
13385249 is a deficient number, since it is larger than the sum of its proper divisors (1).
13385249 is an equidigital number, since it uses as much as digits as its factorization.
13385249 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 25920, while the sum is 35.
The square root of 13385249 is about 3658.5856556872. The cubic root of 13385249 is about 237.4335858619.
The spelling of 13385249 in words is "thirteen million, three hundred eighty-five thousand, two hundred forty-nine".
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