Base | Representation |
---|---|
bin | 110101000111… |
… | …101110110001 |
3 | 222012110220202 |
4 | 311013232301 |
5 | 12031102142 |
6 | 1214244545 |
7 | 226235351 |
oct | 65075661 |
9 | 28173822 |
10 | 13925297 |
11 | 7951311 |
12 | 47b6755 |
13 | 2b67429 |
14 | 1bc6b61 |
15 | 1351032 |
hex | d47bb1 |
13925297 has 2 divisors, whose sum is σ = 13925298. Its totient is φ = 13925296.
The previous prime is 13925279. The next prime is 13925311. The reversal of 13925297 is 79252931.
Together with previous prime (13925279) 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., 13868176 + 57121 = 3724^2 + 239^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13925297 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13925297.
It is not a weakly prime, because it can be changed into another prime (13925257) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6962648 + 6962649.
It is an arithmetic number, because the mean of its divisors is an integer number (6962649).
Almost surely, 213925297 is an apocalyptic number.
It is an amenable number.
13925297 is a deficient number, since it is larger than the sum of its proper divisors (1).
13925297 is an equidigital number, since it uses as much as digits as its factorization.
13925297 is an evil number, because the sum of its binary digits is even.
The product of its digits is 34020, while the sum is 38.
The square root of 13925297 is about 3731.6614262283. The cubic root of 13925297 is about 240.5847834514.
The spelling of 13925297 in words is "thirteen million, nine hundred twenty-five thousand, two hundred ninety-seven".
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