Base | Representation |
---|---|
bin | 1001110100100… |
… | …00001010000001 |
3 | 12202000022021122 |
4 | 10322100022001 |
5 | 132042120033 |
6 | 12101402025 |
7 | 2020133105 |
oct | 472201201 |
9 | 182008248 |
10 | 82379393 |
11 | 42556948 |
12 | 23709315 |
13 | 140b4405 |
14 | ad25905 |
15 | 7373a98 |
hex | 4e90281 |
82379393 has 4 divisors (see below), whose sum is σ = 82683648. Its totient is φ = 82075140.
The previous prime is 82379359. The next prime is 82379441. The reversal of 82379393 is 39397328.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 82379393 - 28 = 82379137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82379303) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151721 + ... + 152262.
It is an arithmetic number, because the mean of its divisors is an integer number (20670912).
Almost surely, 282379393 is an apocalyptic number.
It is an amenable number.
82379393 is a deficient number, since it is larger than the sum of its proper divisors (304255).
82379393 is a wasteful number, since it uses less digits than its factorization.
82379393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 304254.
The product of its digits is 244944, while the sum is 44.
The square root of 82379393 is about 9076.3094372107. The cubic root of 82379393 is about 435.1171446515.
The spelling of 82379393 in words is "eighty-two million, three hundred seventy-nine thousand, three hundred ninety-three".
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