Base | Representation |
---|---|
bin | 110010010001… |
… | …110101011001 |
3 | 220210121220101 |
4 | 302101311121 |
5 | 11333231444 |
6 | 1150255401 |
7 | 220013245 |
oct | 62216531 |
9 | 26717811 |
10 | 13180249 |
11 | 7492575 |
12 | 44b7561 |
13 | 2966284 |
14 | 1a71425 |
15 | 12553d4 |
hex | c91d59 |
13180249 has 2 divisors, whose sum is σ = 13180250. Its totient is φ = 13180248.
The previous prime is 13180241. The next prime is 13180267. The reversal of 13180249 is 94208131.
It is a happy number.
13180249 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., 9259849 + 3920400 = 3043^2 + 1980^2 .
It is a cyclic number.
It is not a de Polignac number, because 13180249 - 23 = 13180241 is a prime.
It is not a weakly prime, because it can be changed into another prime (13180241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590124 + 6590125.
It is an arithmetic number, because the mean of its divisors is an integer number (6590125).
Almost surely, 213180249 is an apocalyptic number.
It is an amenable number.
13180249 is a deficient number, since it is larger than the sum of its proper divisors (1).
13180249 is an equidigital number, since it uses as much as digits as its factorization.
13180249 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 13180249 is about 3630.4612654593. The cubic root of 13180249 is about 236.2152171107.
The spelling of 13180249 in words is "thirteen million, one hundred eighty thousand, two hundred forty-nine".
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