Base | Representation |
---|---|
bin | 1001110010000… |
… | …11010001100101 |
3 | 12201102022022101 |
4 | 10321003101211 |
5 | 132002030420 |
6 | 12050532101 |
7 | 2014352026 |
oct | 471032145 |
9 | 181368271 |
10 | 82064485 |
11 | 42361298 |
12 | 23597031 |
13 | 14003c89 |
14 | ac82c4d |
15 | 731060a |
hex | 4e43465 |
82064485 has 4 divisors (see below), whose sum is σ = 98477388. Its totient is φ = 65651584.
The previous prime is 82064473. The next prime is 82064501. The reversal of 82064485 is 58446028.
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 63393444 + 18671041 = 7962^2 + 4321^2 .
It is a cyclic number.
It is not a de Polignac number, because 82064485 - 27 = 82064357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206444 + ... + 8206453.
It is an arithmetic number, because the mean of its divisors is an integer number (24619347).
Almost surely, 282064485 is an apocalyptic number.
It is an amenable number.
82064485 is a deficient number, since it is larger than the sum of its proper divisors (16412903).
82064485 is a wasteful number, since it uses less digits than its factorization.
82064485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16412902.
The product of its (nonzero) digits is 61440, while the sum is 37.
The square root of 82064485 is about 9058.9450268781. The cubic root of 82064485 is about 434.5620024316.
It can be divided in two parts, 8206 and 4485, that multiplied together give a triangular number (36803910 = T8579).
The spelling of 82064485 in words is "eighty-two million, sixty-four thousand, four hundred eighty-five".
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