Base | Representation |
---|---|
bin | 1001110101100… |
… | …00101110100100 |
3 | 12202021002021210 |
4 | 10322300232210 |
5 | 132110402204 |
6 | 12104311420 |
7 | 2021230053 |
oct | 472605644 |
9 | 182232253 |
10 | 82512804 |
11 | 42638100 |
12 | 23772570 |
13 | 1413005a |
14 | ad5c39a |
15 | 739d389 |
hex | 4eb0ba4 |
82512804 has 36 divisors (see below), whose sum is σ = 211627472. Its totient is φ = 25003440.
The previous prime is 82512797. The next prime is 82512811. The reversal of 82512804 is 40821528.
It is an interprime number because it is at equal distance from previous prime (82512797) and next prime (82512811).
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, 26962 + ... + 29865.
Almost surely, 282512804 is an apocalyptic number.
It is an amenable number.
82512804 is an abundant number, since it is smaller than the sum of its proper divisors (129114668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82512804 is a wasteful number, since it uses less digits than its factorization.
82512804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56856 (or 56843 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 82512804 is about 9083.6558719494. The cubic root of 82512804 is about 435.3519044339.
The spelling of 82512804 in words is "eighty-two million, five hundred twelve thousand, eight hundred four".
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