Base | Representation |
---|---|
bin | 110011010000… |
… | …100011000101 |
3 | 221021200021022 |
4 | 303100203011 |
5 | 11414442000 |
6 | 1200000525 |
7 | 222133202 |
oct | 63204305 |
9 | 27250238 |
10 | 13437125 |
11 | 7648569 |
12 | 4600145 |
13 | 2a26180 |
14 | 1adaca9 |
15 | 12a6585 |
hex | cd08c5 |
13437125 has 16 divisors (see below), whose sum is σ = 18061680. Its totient is φ = 9921600.
The previous prime is 13437107. The next prime is 13437133. The reversal of 13437125 is 52173431.
It can be written as a sum of positive squares in 8 ways, for example, as 3690241 + 9746884 = 1921^2 + 3122^2 .
It is not a de Polignac number, because 13437125 - 28 = 13436869 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13437094 and 13437103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2510 + ... + 5759.
It is an arithmetic number, because the mean of its divisors is an integer number (1128855).
Almost surely, 213437125 is an apocalyptic number.
It is an amenable number.
13437125 is a deficient number, since it is larger than the sum of its proper divisors (4624555).
13437125 is an equidigital number, since it uses as much as digits as its factorization.
13437125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8297 (or 8287 counting only the distinct ones).
The product of its digits is 2520, while the sum is 26.
The square root of 13437125 is about 3665.6684247215. The cubic root of 13437125 is about 237.7399237511.
The spelling of 13437125 in words is "thirteen million, four hundred thirty-seven thousand, one hundred twenty-five".
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