Base | Representation |
---|---|
bin | 110001111010… |
… | …100101110111 |
3 | 220121210022101 |
4 | 301322211313 |
5 | 11322210142 |
6 | 1144242531 |
7 | 216135553 |
oct | 61724567 |
9 | 26553271 |
10 | 13085047 |
11 | 7427a98 |
12 | 4470447 |
13 | 2931b41 |
14 | 1a48863 |
15 | 12370b7 |
hex | c7a977 |
13085047 has 8 divisors (see below), whose sum is σ = 13309920. Its totient is φ = 12862080.
The previous prime is 13084997. The next prime is 13085077. The reversal of 13085047 is 74058031.
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 13085047 - 27 = 13084919 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13085077) 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, 20422 + ... + 21052.
It is an arithmetic number, because the mean of its divisors is an integer number (1663740).
Almost surely, 213085047 is an apocalyptic number.
13085047 is a deficient number, since it is larger than the sum of its proper divisors (224873).
13085047 is an equidigital number, since it uses as much as digits as its factorization.
13085047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 953.
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 13085047 is about 3617.3259460546. The cubic root of 13085047 is about 235.6451084068.
The spelling of 13085047 in words is "thirteen million, eighty-five thousand, forty-seven".
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