Base | Representation |
---|---|
bin | 1001110111101… |
… | …00101001010111 |
3 | 12202210012220022 |
4 | 10323310221113 |
5 | 132143302444 |
6 | 12114255355 |
7 | 2023466114 |
oct | 473645127 |
9 | 182705808 |
10 | 82790999 |
11 | 42808115 |
12 | 2388755b |
13 | 141c9875 |
14 | add190b |
15 | 74059ee |
hex | 4ef4a57 |
82790999 has 8 divisors (see below), whose sum is σ = 87434880. Its totient is φ = 78175800.
The previous prime is 82790989. The next prime is 82791001. The reversal of 82790999 is 99909728.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 82790999 - 212 = 82786903 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 82790999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82790989) 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, 1097 + ... + 12914.
It is an arithmetic number, because the mean of its divisors is an integer number (10929360).
Almost surely, 282790999 is an apocalyptic number.
82790999 is a deficient number, since it is larger than the sum of its proper divisors (4643881).
82790999 is a wasteful number, since it uses less digits than its factorization.
82790999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14341.
The product of its (nonzero) digits is 734832, while the sum is 53.
The square root of 82790999 is about 9098.9559291163. The cubic root of 82790999 is about 435.8406240004.
The spelling of 82790999 in words is "eighty-two million, seven hundred ninety thousand, nine hundred ninety-nine".
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