Base | Representation |
---|---|
bin | 1001110111011… |
… | …10001010000100 |
3 | 12202201212102220 |
4 | 10323232022010 |
5 | 132141430140 |
6 | 12113532340 |
7 | 2023325454 |
oct | 473561204 |
9 | 182655386 |
10 | 82764420 |
11 | 4279a152 |
12 | 238740b0 |
13 | 141ba73b |
14 | adc5d64 |
15 | 73ecbd0 |
hex | 4eee284 |
82764420 has 48 divisors (see below), whose sum is σ = 239221248. Its totient is φ = 21358080.
The previous prime is 82764413. The next prime is 82764431. The reversal of 82764420 is 2446728.
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 15 ways as a sum of consecutive naturals, for example, 20389 + ... + 24108.
It is an arithmetic number, because the mean of its divisors is an integer number (4983776).
Almost surely, 282764420 is an apocalyptic number.
It is an amenable number.
82764420 is an abundant number, since it is smaller than the sum of its proper divisors (156456828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82764420 is a wasteful number, since it uses less digits than its factorization.
82764420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44540 (or 44538 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 33.
The square root of 82764420 is about 9097.4952596855. The cubic root of 82764420 is about 435.7939786405.
The spelling of 82764420 in words is "eighty-two million, seven hundred sixty-four thousand, four hundred twenty".
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