Base | Representation |
---|---|
bin | 1001111000011… |
… | …01100111111101 |
3 | 12202222102020120 |
4 | 10330031213331 |
5 | 132210041214 |
6 | 12120405153 |
7 | 2024403312 |
oct | 474154775 |
9 | 182872216 |
10 | 82893309 |
11 | 42877a74 |
12 | 239167b9 |
13 | 142342c5 |
14 | b01ad09 |
15 | 7425ea9 |
hex | 4f0d9fd |
82893309 has 8 divisors (see below), whose sum is σ = 117025920. Its totient is φ = 52011456.
The previous prime is 82893277. The next prime is 82893313. The reversal of 82893309 is 90339828.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82893309 - 25 = 82893277 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82893329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812629 + ... + 812730.
It is an arithmetic number, because the mean of its divisors is an integer number (14628240).
Almost surely, 282893309 is an apocalyptic number.
It is an amenable number.
82893309 is a deficient number, since it is larger than the sum of its proper divisors (34132611).
82893309 is a wasteful number, since it uses less digits than its factorization.
82893309 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625379.
The product of its (nonzero) digits is 93312, while the sum is 42.
The square root of 82893309 is about 9104.5762669111. The cubic root of 82893309 is about 436.0200819104.
The spelling of 82893309 in words is "eighty-two million, eight hundred ninety-three thousand, three hundred nine".
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