Base | Representation |
---|---|
bin | 110010101111… |
… | …100000101101 |
3 | 221000210122110 |
4 | 302233200231 |
5 | 11401124210 |
6 | 1153034233 |
7 | 221030526 |
oct | 62574055 |
9 | 27023573 |
10 | 13301805 |
11 | 7565930 |
12 | 4555979 |
13 | 29a96ba |
14 | 1aa384d |
15 | 127b420 |
hex | caf82d |
13301805 has 32 divisors (see below), whose sum is σ = 24445440. Its totient is φ = 6108480.
The previous prime is 13301791. The next prime is 13301809. The reversal of 13301805 is 50810331.
It is a happy number.
13301805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13301805 - 24 = 13301789 is a prime.
It is a super-5 number, since 5×133018055 (a number of 37 digits) contains 55555 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13301809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1014 + ... + 5256.
It is an arithmetic number, because the mean of its divisors is an integer number (763920).
Almost surely, 213301805 is an apocalyptic number.
13301805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13301805 is a deficient number, since it is larger than the sum of its proper divisors (11143635).
13301805 is a wasteful number, since it uses less digits than its factorization.
13301805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4281.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 13301805 is about 3647.1639667007. The cubic root of 13301805 is about 236.9391679226.
The spelling of 13301805 in words is "thirteen million, three hundred one thousand, eight hundred five".
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