Base | Representation |
---|---|
bin | 1001010100010… |
… | …1001100010101 |
3 | 2201112111200021 |
4 | 2111011030111 |
5 | 40001040400 |
6 | 3513345141 |
7 | 653115655 |
oct | 225051425 |
9 | 81474607 |
10 | 39080725 |
11 | 20072a22 |
12 | 111081b1 |
13 | 81342b8 |
14 | 5294365 |
15 | 366e71a |
hex | 2545315 |
39080725 has 6 divisors (see below), whose sum is σ = 48460130. Its totient is φ = 31264560.
The previous prime is 39080693. The next prime is 39080753. The reversal of 39080725 is 52708093.
It can be written as a sum of positive squares in 3 ways, for example, as 13264164 + 25816561 = 3642^2 + 5081^2 .
It is not a de Polignac number, because 39080725 - 25 = 39080693 is a prime.
It is a super-3 number, since 3×390807253 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
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 5 ways as a sum of consecutive naturals, for example, 781590 + ... + 781639.
Almost surely, 239080725 is an apocalyptic number.
It is an amenable number.
39080725 is a deficient number, since it is larger than the sum of its proper divisors (9379405).
39080725 is a wasteful number, since it uses less digits than its factorization.
39080725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1563239 (or 1563234 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 39080725 is about 6251.4578299785. The cubic root of 39080725 is about 339.3549621484.
The spelling of 39080725 in words is "thirty-nine million, eighty thousand, seven hundred twenty-five".
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