Base | Representation |
---|---|
bin | 1001110001110… |
… | …10111101101001 |
3 | 12201100120121111 |
4 | 10320322331221 |
5 | 131444433231 |
6 | 12050110321 |
7 | 2014150543 |
oct | 470727551 |
9 | 181316544 |
10 | 82030441 |
11 | 42338759 |
12 | 2357b3a1 |
13 | 13cc162c |
14 | ac74693 |
15 | 73054b1 |
hex | 4e3af69 |
82030441 has 4 divisors (see below), whose sum is σ = 82072900. Its totient is φ = 81987984.
The previous prime is 82030439. The next prime is 82030447. The reversal of 82030441 is 14403028.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 78145600 + 3884841 = 8840^2 + 1971^2 .
It is a cyclic number.
It is not a de Polignac number, because 82030441 - 21 = 82030439 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (82030447) 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, 18186 + ... + 22243.
It is an arithmetic number, because the mean of its divisors is an integer number (20518225).
Almost surely, 282030441 is an apocalyptic number.
It is an amenable number.
82030441 is a deficient number, since it is larger than the sum of its proper divisors (42459).
82030441 is a wasteful number, since it uses less digits than its factorization.
82030441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42458.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 82030441 is about 9057.0658052153. The cubic root of 82030441 is about 434.5019022350.
Adding to 82030441 its reverse (14403028), we get a palindrome (96433469).
The spelling of 82030441 in words is "eighty-two million, thirty thousand, four hundred forty-one".
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