Base | Representation |
---|---|
bin | 110100111001… |
… | …101010010101 |
3 | 222002112212101 |
4 | 310321222111 |
5 | 12022231134 |
6 | 1213122101 |
7 | 225605344 |
oct | 64715225 |
9 | 28075771 |
10 | 13867669 |
11 | 7911a92 |
12 | 4789331 |
13 | 2b4712a |
14 | 1badb5b |
15 | 133de14 |
hex | d39a95 |
13867669 has 2 divisors, whose sum is σ = 13867670. Its totient is φ = 13867668.
The previous prime is 13867661. The next prime is 13867673. The reversal of 13867669 is 96676831.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10400625 + 3467044 = 3225^2 + 1862^2 .
It is a cyclic number.
It is not a de Polignac number, because 13867669 - 23 = 13867661 is a prime.
It is a super-2 number, since 2×138676692 = 384624486987122, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13867661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6933834 + 6933835.
It is an arithmetic number, because the mean of its divisors is an integer number (6933835).
Almost surely, 213867669 is an apocalyptic number.
It is an amenable number.
13867669 is a deficient number, since it is larger than the sum of its proper divisors (1).
13867669 is an equidigital number, since it uses as much as digits as its factorization.
13867669 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 326592, while the sum is 46.
The square root of 13867669 is about 3723.9319274122. The cubic root of 13867669 is about 240.2524484846.
The spelling of 13867669 in words is "thirteen million, eight hundred sixty-seven thousand, six hundred sixty-nine".
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