Base | Representation |
---|---|
bin | 110100100110… |
… | …011101110111 |
3 | 221221120000110 |
4 | 310212131313 |
5 | 12012222142 |
6 | 1211314103 |
7 | 225130206 |
oct | 64463567 |
9 | 27846013 |
10 | 13789047 |
11 | 7868a08 |
12 | 474b933 |
13 | 2b1a3cc |
14 | 1b8d23d |
15 | 132599c |
hex | d26777 |
13789047 has 4 divisors (see below), whose sum is σ = 18385400. Its totient is φ = 9192696.
The previous prime is 13789033. The next prime is 13789093. The reversal of 13789047 is 74098731.
13789047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13789047 - 28 = 13788791 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13788996 and 13789014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13789247) 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, 2298172 + ... + 2298177.
It is an arithmetic number, because the mean of its divisors is an integer number (4596350).
Almost surely, 213789047 is an apocalyptic number.
13789047 is a deficient number, since it is larger than the sum of its proper divisors (4596353).
13789047 is an equidigital number, since it uses as much as digits as its factorization.
13789047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4596352.
The product of its (nonzero) digits is 42336, while the sum is 39.
The square root of 13789047 is about 3713.3606073205. The cubic root of 13789047 is about 239.7975549758.
The spelling of 13789047 in words is "thirteen million, seven hundred eighty-nine thousand, forty-seven".
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