Base | Representation |
---|---|
bin | 110011111001… |
… | …111000111001 |
3 | 221121021112212 |
4 | 303321320321 |
5 | 11440401312 |
6 | 1203344505 |
7 | 223436654 |
oct | 63717071 |
9 | 27537485 |
10 | 13606457 |
11 | 7753807 |
12 | 4682135 |
13 | 2a85277 |
14 | 1b4289b |
15 | 12db822 |
hex | cf9e39 |
13606457 has 2 divisors, whose sum is σ = 13606458. Its totient is φ = 13606456.
The previous prime is 13606421. The next prime is 13606471. The reversal of 13606457 is 75460631.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11587216 + 2019241 = 3404^2 + 1421^2 .
It is a cyclic number.
It is not a de Polignac number, because 13606457 - 26 = 13606393 is a prime.
It is not a weakly prime, because it can be changed into another prime (13606487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6803228 + 6803229.
It is an arithmetic number, because the mean of its divisors is an integer number (6803229).
Almost surely, 213606457 is an apocalyptic number.
It is an amenable number.
13606457 is a deficient number, since it is larger than the sum of its proper divisors (1).
13606457 is an equidigital number, since it uses as much as digits as its factorization.
13606457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 13606457 is about 3688.6931290092. The cubic root of 13606457 is about 238.7344084918.
The spelling of 13606457 in words is "thirteen million, six hundred six thousand, four hundred fifty-seven".
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