Base | Representation |
---|---|
bin | 110101000101… |
… | …101010110001 |
3 | 222012001022212 |
4 | 311011222301 |
5 | 12030314344 |
6 | 1214141505 |
7 | 226201622 |
oct | 65055261 |
9 | 28161285 |
10 | 13916849 |
11 | 7945a31 |
12 | 47b1895 |
13 | 2b6362b |
14 | 1bc3a49 |
15 | 134d79e |
hex | d45ab1 |
13916849 has 2 divisors, whose sum is σ = 13916850. Its totient is φ = 13916848.
The previous prime is 13916843. The next prime is 13916867. The reversal of 13916849 is 94861931.
13916849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11458225 + 2458624 = 3385^2 + 1568^2 .
It is an emirp because it is prime and its reverse (94861931) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13916849 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13916843) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958424 + 6958425.
It is an arithmetic number, because the mean of its divisors is an integer number (6958425).
Almost surely, 213916849 is an apocalyptic number.
It is an amenable number.
13916849 is a deficient number, since it is larger than the sum of its proper divisors (1).
13916849 is an equidigital number, since it uses as much as digits as its factorization.
13916849 is an evil number, because the sum of its binary digits is even.
The product of its digits is 46656, while the sum is 41.
The square root of 13916849 is about 3730.5293190109. The cubic root of 13916849 is about 240.5361220980.
The spelling of 13916849 in words is "thirteen million, nine hundred sixteen thousand, eight hundred forty-nine".
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