Base | Representation |
---|---|
bin | 1001010101001… |
… | …0101100011001 |
3 | 2201122022112102 |
4 | 2111102230121 |
5 | 40004323100 |
6 | 3514453145 |
7 | 653436125 |
oct | 225225431 |
9 | 81568472 |
10 | 39136025 |
11 | 20100525 |
12 | 111341b5 |
13 | 8153516 |
14 | 52aa585 |
15 | 3680cd5 |
hex | 2552b19 |
39136025 has 6 divisors (see below), whose sum is σ = 48528702. Its totient is φ = 31308800.
The previous prime is 39136021. The next prime is 39136061. The reversal of 39136025 is 52063193.
It can be written as a sum of positive squares in 3 ways, for example, as 559504 + 38576521 = 748^2 + 6211^2 .
It is not a de Polignac number, because 39136025 - 22 = 39136021 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (39136021) 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, 782696 + ... + 782745.
It is an arithmetic number, because the mean of its divisors is an integer number (8088117).
Almost surely, 239136025 is an apocalyptic number.
It is an amenable number.
39136025 is a deficient number, since it is larger than the sum of its proper divisors (9392677).
39136025 is a wasteful number, since it uses less digits than its factorization.
39136025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565451 (or 1565446 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 29.
The square root of 39136025 is about 6255.8792347679. The cubic root of 39136025 is about 339.5149513740.
The spelling of 39136025 in words is "thirty-nine million, one hundred thirty-six thousand, twenty-five".
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