Base | Representation |
---|---|
bin | 110011001101… |
… | …101000100011 |
3 | 221021001220011 |
4 | 303031220203 |
5 | 11414101222 |
6 | 1155425351 |
7 | 222053326 |
oct | 63155043 |
9 | 27231804 |
10 | 13425187 |
11 | 763a5a6 |
12 | 45b5257 |
13 | 2a208c9 |
14 | 1ad67bd |
15 | 12a2c77 |
hex | ccda23 |
13425187 has 2 divisors, whose sum is σ = 13425188. Its totient is φ = 13425186.
The previous prime is 13425157. The next prime is 13425233. The reversal of 13425187 is 78152431.
13425187 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13425187 - 215 = 13392419 is a prime.
It is not a weakly prime, because it can be changed into another prime (13425107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712593 + 6712594.
It is an arithmetic number, because the mean of its divisors is an integer number (6712594).
Almost surely, 213425187 is an apocalyptic number.
13425187 is a deficient number, since it is larger than the sum of its proper divisors (1).
13425187 is an equidigital number, since it uses as much as digits as its factorization.
13425187 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6720, while the sum is 31.
The square root of 13425187 is about 3664.0397104835. The cubic root of 13425187 is about 237.6694974726.
The spelling of 13425187 in words is "thirteen million, four hundred twenty-five thousand, one hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •