Base | Representation |
---|---|
bin | 110010011110… |
… | …101010100101 |
3 | 220220021222220 |
4 | 302132222211 |
5 | 11341422210 |
6 | 1151342553 |
7 | 220322415 |
oct | 62365245 |
9 | 26807886 |
10 | 13232805 |
11 | 7519003 |
12 | 4521a59 |
13 | 2984181 |
14 | 1a86645 |
15 | 1265c70 |
hex | c9eaa5 |
13232805 has 8 divisors (see below), whose sum is σ = 21172512. Its totient is φ = 7057488.
The previous prime is 13232801. The next prime is 13232867. The reversal of 13232805 is 50823231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13232805 - 22 = 13232801 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13232801) 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 7 ways as a sum of consecutive naturals, for example, 441079 + ... + 441108.
It is an arithmetic number, because the mean of its divisors is an integer number (2646564).
Almost surely, 213232805 is an apocalyptic number.
13232805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13232805 is a deficient number, since it is larger than the sum of its proper divisors (7939707).
13232805 is an equidigital number, since it uses as much as digits as its factorization.
13232805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882195.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 13232805 is about 3637.6922629601. The cubic root of 13232805 is about 236.5287686607.
The spelling of 13232805 in words is "thirteen million, two hundred thirty-two thousand, eight hundred five".
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