Base | Representation |
---|---|
bin | 110001110000… |
… | …111011100111 |
3 | 220112210000220 |
4 | 301300323213 |
5 | 11314423404 |
6 | 1143335423 |
7 | 215612316 |
oct | 61607347 |
9 | 26483026 |
10 | 13045479 |
11 | 7400297 |
12 | 4451573 |
13 | 2919b25 |
14 | 1a3827d |
15 | 122a4d9 |
hex | c70ee7 |
13045479 has 4 divisors (see below), whose sum is σ = 17393976. Its totient is φ = 8696984.
The previous prime is 13045471. The next prime is 13045481. The reversal of 13045479 is 97454031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13045479 - 23 = 13045471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13045471) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174244 + ... + 2174249.
It is an arithmetic number, because the mean of its divisors is an integer number (4348494).
Almost surely, 213045479 is an apocalyptic number.
13045479 is a deficient number, since it is larger than the sum of its proper divisors (4348497).
13045479 is an equidigital number, since it uses as much as digits as its factorization.
13045479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4348496.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 13045479 is about 3611.8525717421. The cubic root of 13045479 is about 235.4073454146.
The spelling of 13045479 in words is "thirteen million, forty-five thousand, four hundred seventy-nine".
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