Base | Representation |
---|---|
bin | 110101010000… |
… | …001100000101 |
3 | 222021020102212 |
4 | 311100030011 |
5 | 12033204231 |
6 | 1215113205 |
7 | 226441352 |
oct | 65201405 |
9 | 28236385 |
10 | 13959941 |
11 | 7975346 |
12 | 4812805 |
13 | 2b7a128 |
14 | 1bd5629 |
15 | 135b42b |
hex | d50305 |
13959941 has 4 divisors (see below), whose sum is σ = 14781132. Its totient is φ = 13138752.
The previous prime is 13959937. The next prime is 13959947. The reversal of 13959941 is 14995931.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14995931 = 23 ⋅651997.
It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 1562500 = 3521^2 + 1250^2 .
It is a cyclic number.
It is not a de Polignac number, because 13959941 - 22 = 13959937 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13959947) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410570 + ... + 410603.
It is an arithmetic number, because the mean of its divisors is an integer number (3695283).
Almost surely, 213959941 is an apocalyptic number.
It is an amenable number.
13959941 is a deficient number, since it is larger than the sum of its proper divisors (821191).
13959941 is an equidigital number, since it uses as much as digits as its factorization.
13959941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 821190.
The product of its digits is 43740, while the sum is 41.
The square root of 13959941 is about 3736.3004429516. The cubic root of 13959941 is about 240.7841308899.
The spelling of 13959941 in words is "thirteen million, nine hundred fifty-nine thousand, nine hundred forty-one".
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