Base | Representation |
---|---|
bin | 110010100010… |
… | …000011001100 |
3 | 220221000000100 |
4 | 302202003030 |
5 | 11342343133 |
6 | 1151531100 |
7 | 220411011 |
oct | 62420314 |
9 | 26830010 |
10 | 13246668 |
11 | 7528466 |
12 | 4529a90 |
13 | 298a586 |
14 | 1a8b708 |
15 | 1269e13 |
hex | ca20cc |
13246668 has 36 divisors (see below), whose sum is σ = 34201440. Its totient is φ = 4321056.
The previous prime is 13246657. The next prime is 13246669. The reversal of 13246668 is 86664231.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (13246669) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2223 + ... + 5606.
It is an arithmetic number, because the mean of its divisors is an integer number (950040).
Almost surely, 213246668 is an apocalyptic number.
13246668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
13246668 is an abundant number, since it is smaller than the sum of its proper divisors (20954772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13246668 is a wasteful number, since it uses less digits than its factorization.
13246668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7886 (or 7881 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 13246668 is about 3639.5972304638. The cubic root of 13246668 is about 236.6113375475.
The spelling of 13246668 in words is "thirteen million, two hundred forty-six thousand, six hundred sixty-eight".
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