Base | Representation |
---|---|
bin | 110100101010… |
… | …101110001001 |
3 | 221222102220212 |
4 | 310222232021 |
5 | 12013301343 |
6 | 1211530505 |
7 | 225232052 |
oct | 64525611 |
9 | 27872825 |
10 | 13806473 |
11 | 788000a |
12 | 4759a35 |
13 | 2b25315 |
14 | 1b95729 |
15 | 132ac18 |
hex | d2ab89 |
13806473 has 2 divisors, whose sum is σ = 13806474. Its totient is φ = 13806472.
The previous prime is 13806467. The next prime is 13806487. The reversal of 13806473 is 37460831.
13806473 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., 11580409 + 2226064 = 3403^2 + 1492^2 .
It is an emirp because it is prime and its reverse (37460831) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13806473 - 26 = 13806409 is a prime.
It is not a weakly prime, because it can be changed into another prime (13806433) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6903236 + 6903237.
It is an arithmetic number, because the mean of its divisors is an integer number (6903237).
Almost surely, 213806473 is an apocalyptic number.
It is an amenable number.
13806473 is a deficient number, since it is larger than the sum of its proper divisors (1).
13806473 is an equidigital number, since it uses as much as digits as its factorization.
13806473 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 13806473 is about 3715.7062585732. The cubic root of 13806473 is about 239.8985277053.
The spelling of 13806473 in words is "thirteen million, eight hundred six thousand, four hundred seventy-three".
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