Base | Representation |
---|---|
bin | 1001110010001… |
… | …11000011000110 |
3 | 12201110002111212 |
4 | 10321013003012 |
5 | 132003024232 |
6 | 12051131422 |
7 | 2014445060 |
oct | 471070306 |
9 | 181402455 |
10 | 82079942 |
11 | 4237196a |
12 | 235a3b72 |
13 | 1400b019 |
14 | ac88730 |
15 | 7314eb2 |
hex | 4e470c6 |
82079942 has 16 divisors (see below), whose sum is σ = 141027360. Its totient is φ = 35097408.
The previous prime is 82079941. The next prime is 82079951. The reversal of 82079942 is 24997028.
It is a self number, because there is not a number n which added to its sum of digits gives 82079942.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82079941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 12812.
It is an arithmetic number, because the mean of its divisors is an integer number (8814210).
Almost surely, 282079942 is an apocalyptic number.
82079942 is a deficient number, since it is larger than the sum of its proper divisors (58947418).
82079942 is a wasteful number, since it uses less digits than its factorization.
82079942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13295.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 82079942 is about 9059.7981213711. The cubic root of 82079942 is about 434.5892842422.
The spelling of 82079942 in words is "eighty-two million, seventy-nine thousand, nine hundred forty-two".
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