Base | Representation |
---|---|
bin | 1001110111101… |
… | …11011111111000 |
3 | 12202210210220221 |
4 | 10323313133320 |
5 | 132144141210 |
6 | 12114425424 |
7 | 2023545142 |
oct | 473673770 |
9 | 182723827 |
10 | 82802680 |
11 | 42815974 |
12 | 23892274 |
13 | 14201c8c |
14 | add5c92 |
15 | 74091da |
hex | 4ef77f8 |
82802680 has 16 divisors (see below), whose sum is σ = 186306120. Its totient is φ = 33121056.
The previous prime is 82802677. The next prime is 82802689. The reversal of 82802680 is 8620828.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82802689) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1034994 + ... + 1035073.
Almost surely, 282802680 is an apocalyptic number.
It is an amenable number.
82802680 is an abundant number, since it is smaller than the sum of its proper divisors (103503440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82802680 is a wasteful number, since it uses less digits than its factorization.
82802680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2070078 (or 2070074 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 82802680 is about 9099.5977933093. The cubic root of 82802680 is about 435.8611206525.
The spelling of 82802680 in words is "eighty-two million, eight hundred two thousand, six hundred eighty".
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