Base | Representation |
---|---|
bin | 110010101100… |
… | …101110011001 |
3 | 221000012222210 |
4 | 302230232121 |
5 | 11400243033 |
6 | 1152505333 |
7 | 220652334 |
oct | 62545631 |
9 | 27005883 |
10 | 13290393 |
11 | 75582a6 |
12 | 454b249 |
13 | 29a444c |
14 | 1a9d61b |
15 | 1277d63 |
hex | cacb99 |
13290393 has 8 divisors (see below), whose sum is σ = 17768800. Its totient is φ = 8836128.
The previous prime is 13290391. The next prime is 13290401. The reversal of 13290393 is 39309231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13290393 - 21 = 13290391 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13290393.
It is not an unprimeable number, because it can be changed into a prime (13290391) 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, 4708 + ... + 6981.
It is an arithmetic number, because the mean of its divisors is an integer number (2221100).
Almost surely, 213290393 is an apocalyptic number.
It is an amenable number.
13290393 is a deficient number, since it is larger than the sum of its proper divisors (4478407).
13290393 is a wasteful number, since it uses less digits than its factorization.
13290393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12071.
The product of its (nonzero) digits is 4374, while the sum is 30.
The square root of 13290393 is about 3645.5991277155. The cubic root of 13290393 is about 236.8713895668.
It can be divided in two parts, 132 and 90393, that added together give a triangular number (90525 = T425).
The spelling of 13290393 in words is "thirteen million, two hundred ninety thousand, three hundred ninety-three".
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