Base | Representation |
---|---|
bin | 110001101100… |
… | …110100001010 |
3 | 220111220220102 |
4 | 301230310022 |
5 | 11313403433 |
6 | 1143125402 |
7 | 215512211 |
oct | 61546412 |
9 | 26456812 |
10 | 13028618 |
11 | 7399659 |
12 | 4443862 |
13 | 2912255 |
14 | 1a32078 |
15 | 12254e8 |
hex | c6cd0a |
13028618 has 8 divisors (see below), whose sum is σ = 20173440. Its totient is φ = 6304140.
The previous prime is 13028599. The next prime is 13028651. The reversal of 13028618 is 81682031.
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 105008 + ... + 105131.
It is an arithmetic number, because the mean of its divisors is an integer number (2521680).
Almost surely, 213028618 is an apocalyptic number.
13028618 is a deficient number, since it is larger than the sum of its proper divisors (7144822).
13028618 is a wasteful number, since it uses less digits than its factorization.
13028618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210172.
The product of its (nonzero) digits is 2304, while the sum is 29.
The square root of 13028618 is about 3609.5176963135. The cubic root of 13028618 is about 235.3058820515.
The spelling of 13028618 in words is "thirteen million, twenty-eight thousand, six hundred eighteen".
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