Base | Representation |
---|---|
bin | 1001110011110… |
… | …11010010011000 |
3 | 12201211222000200 |
4 | 10321323102120 |
5 | 132031401122 |
6 | 12055502200 |
7 | 2016325641 |
oct | 471732230 |
9 | 181758020 |
10 | 82293912 |
11 | 424a86a8 |
12 | 23687960 |
13 | 1408452c |
14 | ad026c8 |
15 | 73585ac |
hex | 4e7b498 |
82293912 has 24 divisors (see below), whose sum is σ = 222879540. Its totient is φ = 27431280.
The previous prime is 82293881. The next prime is 82293917. The reversal of 82293912 is 21939228.
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82293917) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571414 + ... + 571557.
Almost surely, 282293912 is an apocalyptic number.
It is an amenable number.
82293912 is an abundant number, since it is smaller than the sum of its proper divisors (140585628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82293912 is a wasteful number, since it uses less digits than its factorization.
82293912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1142983 (or 1142976 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 82293912 is about 9071.5991974954. The cubic root of 82293912 is about 434.9665927575.
The spelling of 82293912 in words is "eighty-two million, two hundred ninety-three thousand, nine hundred twelve".
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