Base | Representation |
---|---|
bin | 11000110011100… |
… | …10011100101001 |
3 | 112111112220110110 |
4 | 30121302130221 |
5 | 411232234300 |
6 | 32352004533 |
7 | 5104465062 |
oct | 1431623451 |
9 | 474486413 |
10 | 208086825 |
11 | a7506791 |
12 | 59830749 |
13 | 341590cb |
14 | 1d8c9569 |
15 | 13405550 |
hex | c672729 |
208086825 has 24 divisors (see below), whose sum is σ = 347595808. Its totient is φ = 109831680.
The previous prime is 208086751. The next prime is 208086829. The reversal of 208086825 is 528680802.
208086825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 208086825 - 218 = 207824681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (208086829) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7027 + ... + 21576.
Almost surely, 2208086825 is an apocalyptic number.
208086825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
208086825 is a deficient number, since it is larger than the sum of its proper divisors (139508983).
208086825 is a wasteful number, since it uses less digits than its factorization.
208086825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28713 (or 28708 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 39.
The square root of 208086825 is about 14425.2149030786. The cubic root of 208086825 is about 592.5816441108.
The spelling of 208086825 in words is "two hundred eight million, eighty-six thousand, eight hundred twenty-five".
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