Base | Representation |
---|---|
bin | 1001010101010… |
… | …1101110001001 |
3 | 2201122221112200 |
4 | 2111111232021 |
5 | 40010222200 |
6 | 3515030413 |
7 | 653520231 |
oct | 225255611 |
9 | 81587480 |
10 | 39148425 |
11 | 20109878 |
12 | 1113b409 |
13 | 8159064 |
14 | 52b0cc1 |
15 | 3684800 |
hex | 2555b89 |
39148425 has 18 divisors (see below), whose sum is σ = 70119582. Its totient is φ = 20879040.
The previous prime is 39148393. The next prime is 39148429. The reversal of 39148425 is 52484193.
39148425 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 4149369 + 34999056 = 2037^2 + 5916^2 .
It is not a de Polignac number, because 39148425 - 25 = 39148393 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 39148425.
It is not an unprimeable number, because it can be changed into a prime (39148429) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86772 + ... + 87221.
Almost surely, 239148425 is an apocalyptic number.
It is an amenable number.
39148425 is a deficient number, since it is larger than the sum of its proper divisors (30971157).
39148425 is a wasteful number, since it uses less digits than its factorization.
39148425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174009 (or 174001 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 39148425 is about 6256.8702240018. The cubic root of 39148425 is about 339.5508053035.
The spelling of 39148425 in words is "thirty-nine million, one hundred forty-eight thousand, four hundred twenty-five".
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