Base | Representation |
---|---|
bin | 110001010110101… |
… | …001011110010001 |
3 | 2010201001210202120 |
4 | 301112221132101 |
5 | 3143433130000 |
6 | 214055204453 |
7 | 26343026205 |
oct | 6126513621 |
9 | 2121053676 |
10 | 828020625 |
11 | 39543a173 |
12 | 1b1376729 |
13 | 102713c43 |
14 | 7bd80b05 |
15 | 4ca5e6a0 |
hex | 315a9791 |
828020625 has 40 divisors (see below), whose sum is σ = 1413372576. Its totient is φ = 430800000.
The previous prime is 828020623. The next prime is 828020647. The reversal of 828020625 is 526020828.
828020625 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 828020625 - 21 = 828020623 is a prime.
It is not an unprimeable number, because it can be changed into a prime (828020621) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 71490 + ... + 82260.
Almost surely, 2828020625 is an apocalyptic number.
It is an amenable number.
828020625 is a deficient number, since it is larger than the sum of its proper divisors (585351951).
828020625 is a wasteful number, since it uses less digits than its factorization.
828020625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10835 (or 10820 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 828020625 is about 28775.3475217937. The cubic root of 828020625 is about 939.0319840850.
The spelling of 828020625 in words is "eight hundred twenty-eight million, twenty thousand, six hundred twenty-five".
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