Base | Representation |
---|---|
bin | 101000101010000… |
… | …001000000111101 |
3 | 1202112111102012100 |
4 | 220222001000331 |
5 | 2344104242340 |
6 | 151403455313 |
7 | 22621531014 |
oct | 5052010075 |
9 | 1675442170 |
10 | 682102845 |
11 | 320035a66 |
12 | 170527539 |
13 | ab414168 |
14 | 66839a7b |
15 | 3ed39830 |
hex | 28a8103d |
682102845 has 24 divisors (see below), whose sum is σ = 1204623576. Its totient is φ = 356923008.
The previous prime is 682102801. The next prime is 682102867. The reversal of 682102845 is 548201286.
It can be written as a sum of positive squares in 4 ways, for example, as 333683289 + 348419556 = 18267^2 + 18666^2 .
It is not a de Polignac number, because 682102845 - 210 = 682101821 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 140614 + ... + 145383.
It is an arithmetic number, because the mean of its divisors is an integer number (50192649).
Almost surely, 2682102845 is an apocalyptic number.
It is an amenable number.
682102845 is a deficient number, since it is larger than the sum of its proper divisors (522520731).
682102845 is a wasteful number, since it uses less digits than its factorization.
682102845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286061 (or 286058 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 36.
The square root of 682102845 is about 26117.0987094662. The cubic root of 682102845 is about 880.2714576620.
The spelling of 682102845 in words is "six hundred eighty-two million, one hundred two thousand, eight hundred forty-five".
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