Base | Representation |
---|---|
bin | 110010101010… |
… | …111001010001 |
3 | 220222211201011 |
4 | 302222321101 |
5 | 11400023042 |
6 | 1152410521 |
7 | 220621435 |
oct | 62527121 |
9 | 26884634 |
10 | 13282897 |
11 | 7552701 |
12 | 4546a41 |
13 | 29a0c04 |
14 | 1a9a9c5 |
15 | 1275a17 |
hex | caae51 |
13282897 has 2 divisors, whose sum is σ = 13282898. Its totient is φ = 13282896.
The previous prime is 13282879. The next prime is 13282901. The reversal of 13282897 is 79828231.
13282897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
Together with previous prime (13282879) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12680721 + 602176 = 3561^2 + 776^2 .
It is a cyclic number.
It is not a de Polignac number, because 13282897 - 27 = 13282769 is a prime.
It is not a weakly prime, because it can be changed into another prime (13282877) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6641448 + 6641449.
It is an arithmetic number, because the mean of its divisors is an integer number (6641449).
Almost surely, 213282897 is an apocalyptic number.
It is an amenable number.
13282897 is a deficient number, since it is larger than the sum of its proper divisors (1).
13282897 is an equidigital number, since it uses as much as digits as its factorization.
13282897 is an evil number, because the sum of its binary digits is even.
The product of its digits is 48384, while the sum is 40.
The square root of 13282897 is about 3644.5708938090. The cubic root of 13282897 is about 236.8268480733.
It can be divided in two parts, 1328 and 2897, that added together give a square (4225 = 652).
The spelling of 13282897 in words is "thirteen million, two hundred eighty-two thousand, eight hundred ninety-seven".
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