Base | Representation |
---|---|
bin | 110010000100… |
… | …010111010011 |
3 | 220200211012220 |
4 | 302010113103 |
5 | 11330000300 |
6 | 1145152123 |
7 | 216363345 |
oct | 62042723 |
9 | 26624186 |
10 | 13125075 |
11 | 7455077 |
12 | 448b643 |
13 | 2947122 |
14 | 1a59295 |
15 | 1243da0 |
hex | c845d3 |
13125075 has 24 divisors (see below), whose sum is σ = 21873600. Its totient is φ = 6944160.
The previous prime is 13125061. The next prime is 13125083. The reversal of 13125075 is 57052131.
It is not a de Polignac number, because 13125075 - 28 = 13124819 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 9796 + ... + 11054.
It is an arithmetic number, because the mean of its divisors is an integer number (911400).
Almost surely, 213125075 is an apocalyptic number.
13125075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13125075 is a deficient number, since it is larger than the sum of its proper divisors (8748525).
13125075 is a wasteful number, since it uses less digits than its factorization.
13125075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1411 (or 1406 counting only the distinct ones).
The product of its (nonzero) digits is 1050, while the sum is 24.
The square root of 13125075 is about 3622.8545375160. The cubic root of 13125075 is about 235.8851483192.
The spelling of 13125075 in words is "thirteen million, one hundred twenty-five thousand, seventy-five".
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