Base | Representation |
---|---|
bin | 110100110110… |
… | …010111010001 |
3 | 222001212100002 |
4 | 310312113101 |
5 | 12021313121 |
6 | 1212535345 |
7 | 225521066 |
oct | 64662721 |
9 | 28055302 |
10 | 13854161 |
11 | 7902922 |
12 | 4781555 |
13 | 2b40c39 |
14 | 1ba8c6d |
15 | 1339e0b |
hex | d365d1 |
13854161 has 2 divisors, whose sum is σ = 13854162. Its totient is φ = 13854160.
The previous prime is 13854131. The next prime is 13854163. The reversal of 13854161 is 16145831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10523536 + 3330625 = 3244^2 + 1825^2 .
It is a cyclic number.
It is not a de Polignac number, because 13854161 - 218 = 13592017 is a prime.
It is a Sophie Germain prime.
Together with 13854163, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (13854163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6927080 + 6927081.
It is an arithmetic number, because the mean of its divisors is an integer number (6927081).
Almost surely, 213854161 is an apocalyptic number.
It is an amenable number.
13854161 is a deficient number, since it is larger than the sum of its proper divisors (1).
13854161 is an equidigital number, since it uses as much as digits as its factorization.
13854161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2880, while the sum is 29.
The square root of 13854161 is about 3722.1178111392. The cubic root of 13854161 is about 240.1744160394.
Adding to 13854161 its reverse (16145831), we get a palindrome (29999992).
The spelling of 13854161 in words is "thirteen million, eight hundred fifty-four thousand, one hundred sixty-one".
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