Base | Representation |
---|---|
bin | 110010100001… |
… | …001011001110 |
3 | 220220211002200 |
4 | 302201023032 |
5 | 11342234321 |
6 | 1151502330 |
7 | 220364403 |
oct | 62411316 |
9 | 26824080 |
10 | 13243086 |
11 | 75257aa |
12 | 45279a6 |
13 | 2988a5c |
14 | 1a8a2aa |
15 | 1268d26 |
hex | ca12ce |
13243086 has 48 divisors (see below), whose sum is σ = 29702400. Its totient is φ = 4262544.
The previous prime is 13243079. The next prime is 13243091. The reversal of 13243086 is 68034231.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95205 + ... + 95343.
It is an arithmetic number, because the mean of its divisors is an integer number (618800).
Almost surely, 213243086 is an apocalyptic number.
13243086 is an abundant number, since it is smaller than the sum of its proper divisors (16459314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13243086 is a wasteful number, since it uses less digits than its factorization.
13243086 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293 (or 290 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 13243086 is about 3639.1051097763. The cubic root of 13243086 is about 236.5900084551.
The spelling of 13243086 in words is "thirteen million, two hundred forty-three thousand, eighty-six".
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