Base | Representation |
---|---|
bin | 1001110111101… |
… | …00011001111000 |
3 | 12202210011112121 |
4 | 10323310121320 |
5 | 132143240013 |
6 | 12114251024 |
7 | 2023463200 |
oct | 473643170 |
9 | 182704477 |
10 | 82790008 |
11 | 428073a4 |
12 | 23886a74 |
13 | 141c9292 |
14 | add1400 |
15 | 740558d |
hex | 4ef4678 |
82790008 has 24 divisors (see below), whose sum is σ = 180576000. Its totient is φ = 35481264.
The previous prime is 82789997. The next prime is 82790009. The reversal of 82790008 is 80009728.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82790009) 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, 105208 + ... + 105991.
It is an arithmetic number, because the mean of its divisors is an integer number (7524000).
Almost surely, 282790008 is an apocalyptic number.
It is an amenable number.
82790008 is an abundant number, since it is smaller than the sum of its proper divisors (97785992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82790008 is a wasteful number, since it uses less digits than its factorization.
82790008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211219 (or 211208 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 34.
The square root of 82790008 is about 9098.9014721559. The cubic root of 82790008 is about 435.8388850038.
The spelling of 82790008 in words is "eighty-two million, seven hundred ninety thousand, eight".
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