Base | Representation |
---|---|
bin | 1001110111110… |
… | …10011101111101 |
3 | 12202211102121111 |
4 | 10323322131331 |
5 | 132200033340 |
6 | 12115002021 |
7 | 2023625461 |
oct | 473723575 |
9 | 182742544 |
10 | 82814845 |
11 | 42824023 |
12 | 23899311 |
13 | 14207689 |
14 | adda4a1 |
15 | 740caea |
hex | 4efa77d |
82814845 has 8 divisors (see below), whose sum is σ = 99878400. Its totient is φ = 65918160.
The previous prime is 82814839. The next prime is 82814869. The reversal of 82814845 is 54841828.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82814845 - 25 = 82814813 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 82814798 and 82814807.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40621 + ... + 42610.
It is an arithmetic number, because the mean of its divisors is an integer number (12484800).
Almost surely, 282814845 is an apocalyptic number.
It is an amenable number.
82814845 is a deficient number, since it is larger than the sum of its proper divisors (17063555).
82814845 is a wasteful number, since it uses less digits than its factorization.
82814845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83435.
The product of its digits is 81920, while the sum is 40.
The square root of 82814845 is about 9100.2662048975. The cubic root of 82814845 is about 435.8824645305.
The spelling of 82814845 in words is "eighty-two million, eight hundred fourteen thousand, eight hundred forty-five".
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