Base | Representation |
---|---|
bin | 110010101100… |
… | …101110010010 |
3 | 221000012222112 |
4 | 302230232102 |
5 | 11400243021 |
6 | 1152505322 |
7 | 220652324 |
oct | 62545622 |
9 | 27005875 |
10 | 13290386 |
11 | 755829a |
12 | 454b242 |
13 | 29a4445 |
14 | 1a9d614 |
15 | 1277d5b |
hex | cacb92 |
13290386 has 16 divisors (see below), whose sum is σ = 21384000. Its totient is φ = 6175728.
The previous prime is 13290383. The next prime is 13290391. The reversal of 13290386 is 68309231.
13290386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13290383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286 + ... + 5313.
It is an arithmetic number, because the mean of its divisors is an integer number (1336500).
Almost surely, 213290386 is an apocalyptic number.
13290386 is a deficient number, since it is larger than the sum of its proper divisors (8093614).
13290386 is a wasteful number, since it uses less digits than its factorization.
13290386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6673.
The product of its (nonzero) digits is 7776, while the sum is 32.
The square root of 13290386 is about 3645.5981676537. The cubic root of 13290386 is about 236.8713479804.
The spelling of 13290386 in words is "thirteen million, two hundred ninety thousand, three hundred eighty-six".
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