Base | Representation |
---|---|
bin | 1001110111110… |
… | …00000100010010 |
3 | 12202210221010020 |
4 | 10323320010102 |
5 | 132144230020 |
6 | 12114444310 |
7 | 2023555011 |
oct | 473700422 |
9 | 182727106 |
10 | 82805010 |
11 | 428176a2 |
12 | 23893696 |
13 | 14203062 |
14 | add6a78 |
15 | 7409c40 |
hex | 4ef8112 |
82805010 has 32 divisors (see below), whose sum is σ = 199755072. Its totient is φ = 21967680.
The previous prime is 82805003. The next prime is 82805039. The reversal of 82805010 is 1050828.
It is a super-2 number, since 2×828050102 = 13713339362200200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096 + ... + 12915.
It is an arithmetic number, because the mean of its divisors is an integer number (6242346).
Almost surely, 282805010 is an apocalyptic number.
82805010 is an abundant number, since it is smaller than the sum of its proper divisors (116950062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82805010 is a wasteful number, since it uses less digits than its factorization.
82805010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14218.
The product of its (nonzero) digits is 640, while the sum is 24.
The square root of 82805010 is about 9099.7258200453. The cubic root of 82805010 is about 435.8652088732.
Adding to 82805010 its reverse (1050828), we get a palindrome (83855838).
The spelling of 82805010 in words is "eighty-two million, eight hundred five thousand, ten".
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