Base | Representation |
---|---|
bin | 110001110001… |
… | …000011100001 |
3 | 220112210201122 |
4 | 301301003201 |
5 | 11314432420 |
6 | 1143342025 |
7 | 215613641 |
oct | 61610341 |
9 | 26483648 |
10 | 13045985 |
11 | 7400707 |
12 | 4451915 |
13 | 291a124 |
14 | 1a38521 |
15 | 122a725 |
hex | c710e1 |
13045985 has 8 divisors (see below), whose sum is σ = 16019520. Its totient is φ = 10193904.
The previous prime is 13045961. The next prime is 13045997. The reversal of 13045985 is 58954031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13045985 - 28 = 13045729 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30125 + ... + 30554.
It is an arithmetic number, because the mean of its divisors is an integer number (2002440).
Almost surely, 213045985 is an apocalyptic number.
It is an amenable number.
13045985 is a deficient number, since it is larger than the sum of its proper divisors (2973535).
13045985 is an equidigital number, since it uses as much as digits as its factorization.
13045985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60727.
The product of its (nonzero) digits is 21600, while the sum is 35.
The square root of 13045985 is about 3611.9226182187. The cubic root of 13045985 is about 235.4103889869.
The spelling of 13045985 in words is "thirteen million, forty-five thousand, nine hundred eighty-five".
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