Base | Representation |
---|---|
bin | 1001110101010… |
… | …10011000101001 |
3 | 12202012202122121 |
4 | 10322222120221 |
5 | 132104034300 |
6 | 12103551241 |
7 | 2021061241 |
oct | 472523051 |
9 | 182182577 |
10 | 82486825 |
11 | 4261a633 |
12 | 2375b521 |
13 | 14121295 |
14 | ad52b21 |
15 | 739581a |
hex | 4eaa629 |
82486825 has 12 divisors (see below), whose sum is σ = 102641868. Its totient is φ = 65758400.
The previous prime is 82486813. The next prime is 82486837. The reversal of 82486825 is 52868428.
It is an interprime number because it is at equal distance from previous prime (82486813) and next prime (82486837).
It can be written as a sum of positive squares in 6 ways, for example, as 17539344 + 64947481 = 4188^2 + 8059^2 .
It is not a de Polignac number, because 82486825 - 219 = 81962537 is a prime.
It is a magnanimous number.
It is a Duffinian number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 1695 + ... + 12955.
It is an arithmetic number, because the mean of its divisors is an integer number (8553489).
Almost surely, 282486825 is an apocalyptic number.
It is an amenable number.
82486825 is a deficient number, since it is larger than the sum of its proper divisors (20155043).
82486825 is a wasteful number, since it uses less digits than its factorization.
82486825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11564 (or 11559 counting only the distinct ones).
The product of its digits is 245760, while the sum is 43.
The square root of 82486825 is about 9082.2257734544. The cubic root of 82486825 is about 435.3062097305.
The spelling of 82486825 in words is "eighty-two million, four hundred eighty-six thousand, eight hundred twenty-five".
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