Base | Representation |
---|---|
bin | 110111011101… |
… | …101001111011 |
3 | 1000100200021211 |
4 | 313131221323 |
5 | 12210230022 |
6 | 1235343551 |
7 | 234403612 |
oct | 67355173 |
9 | 30320254 |
10 | 14539387 |
11 | 8230725 |
12 | 4a51bb7 |
13 | 3020ab5 |
14 | 1d06879 |
15 | 1422e77 |
hex | ddda7b |
14539387 has 2 divisors, whose sum is σ = 14539388. Its totient is φ = 14539386.
The previous prime is 14539367. The next prime is 14539417. The reversal of 14539387 is 78393541.
It is a weak prime.
It is an emirp because it is prime and its reverse (78393541) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14539387 - 215 = 14506619 is a prime.
It is a super-2 number, since 2×145393872 = 422787548671538, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (14539367) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269693 + 7269694.
It is an arithmetic number, because the mean of its divisors is an integer number (7269694).
Almost surely, 214539387 is an apocalyptic number.
14539387 is a deficient number, since it is larger than the sum of its proper divisors (1).
14539387 is an equidigital number, since it uses as much as digits as its factorization.
14539387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 90720, while the sum is 40.
The square root of 14539387 is about 3813.0548120896. The cubic root of 14539387 is about 244.0705419527.
The spelling of 14539387 in words is "fourteen million, five hundred thirty-nine thousand, three hundred eighty-seven".
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