Base | Representation |
---|---|
bin | 110100011010… |
… | …010010110101 |
3 | 221212000121212 |
4 | 310122102311 |
5 | 12004123224 |
6 | 1210251205 |
7 | 224531642 |
oct | 64322265 |
9 | 27760555 |
10 | 13739189 |
11 | 7834502 |
12 | 4726b05 |
13 | 2b007c9 |
14 | 1b78dc9 |
15 | 1315d0e |
hex | d1a4b5 |
13739189 has 2 divisors, whose sum is σ = 13739190. Its totient is φ = 13739188.
The previous prime is 13739161. The next prime is 13739249. The reversal of 13739189 is 98193731.
13739189 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., 11336689 + 2402500 = 3367^2 + 1550^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13739189 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13739989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6869594 + 6869595.
It is an arithmetic number, because the mean of its divisors is an integer number (6869595).
Almost surely, 213739189 is an apocalyptic number.
It is an amenable number.
13739189 is a deficient number, since it is larger than the sum of its proper divisors (1).
13739189 is an equidigital number, since it uses as much as digits as its factorization.
13739189 is an evil number, because the sum of its binary digits is even.
The product of its digits is 40824, while the sum is 41.
The square root of 13739189 is about 3706.6412019509. The cubic root of 13739189 is about 239.5081884628.
The spelling of 13739189 in words is "thirteen million, seven hundred thirty-nine thousand, one hundred eighty-nine".
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