Base | Representation |
---|---|
bin | 1001110001110… |
… | …10000100100000 |
3 | 12201100101121001 |
4 | 10320322010200 |
5 | 131444324114 |
6 | 12050041344 |
7 | 2014134100 |
oct | 470720440 |
9 | 181311531 |
10 | 82026784 |
11 | 42335a34 |
12 | 23579254 |
13 | 13cbca78 |
14 | ac73200 |
15 | 7304374 |
hex | 4e3a120 |
82026784 has 36 divisors (see below), whose sum is σ = 187859574. Its totient is φ = 35153664.
The previous prime is 82026733. The next prime is 82026823. The reversal of 82026784 is 48762028.
It can be written as a sum of positive squares in only one way, i.e., 50979600 + 31047184 = 7140^2 + 5572^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24589 + ... + 27724.
Almost surely, 282026784 is an apocalyptic number.
It is an amenable number.
82026784 is an abundant number, since it is smaller than the sum of its proper divisors (105832790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82026784 is a wasteful number, since it uses less digits than its factorization.
82026784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52337 (or 52322 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 82026784 is about 9056.8639163896. The cubic root of 82026784 is about 434.4954452944.
The spelling of 82026784 in words is "eighty-two million, twenty-six thousand, seven hundred eighty-four".
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