Base | Representation |
---|---|
bin | 110100010111… |
… | …011011000001 |
3 | 221211102111011 |
4 | 310113123001 |
5 | 12003234200 |
6 | 1210120521 |
7 | 224452435 |
oct | 64273301 |
9 | 27742434 |
10 | 13727425 |
11 | 7826688 |
12 | 4720141 |
13 | 2ac834a |
14 | 1b749c5 |
15 | 13125ba |
hex | d176c1 |
13727425 has 6 divisors (see below), whose sum is σ = 17022038. Its totient is φ = 10981920.
The previous prime is 13727423. The next prime is 13727437. The reversal of 13727425 is 52472731.
13727425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 4870849 + 8856576 = 2207^2 + 2976^2 .
It is not a de Polignac number, because 13727425 - 21 = 13727423 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13727423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274524 + ... + 274573.
Almost surely, 213727425 is an apocalyptic number.
It is an amenable number.
13727425 is a deficient number, since it is larger than the sum of its proper divisors (3294613).
13727425 is an equidigital number, since it uses as much as digits as its factorization.
13727425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 549107 (or 549102 counting only the distinct ones).
The product of its digits is 11760, while the sum is 31.
The square root of 13727425 is about 3705.0539807134. The cubic root of 13727425 is about 239.4398103637.
The spelling of 13727425 in words is "thirteen million, seven hundred twenty-seven thousand, four hundred twenty-five".
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