Base | Representation |
---|---|
bin | 1001110101000… |
… | …10001100100101 |
3 | 12202011001122101 |
4 | 10322202030211 |
5 | 132102001120 |
6 | 12103132101 |
7 | 2020561405 |
oct | 472421445 |
9 | 182131571 |
10 | 82453285 |
11 | 425a7412 |
12 | 23744031 |
13 | 1410bc35 |
14 | ad44805 |
15 | 738a90a |
hex | 4ea2325 |
82453285 has 8 divisors (see below), whose sum is σ = 99257976. Its totient is φ = 65753280.
The previous prime is 82453207. The next prime is 82453289. The reversal of 82453285 is 58235428.
It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 82319329 = 366^2 + 9073^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 82453285 - 219 = 81928997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82453289) 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, 24426 + ... + 27595.
It is an arithmetic number, because the mean of its divisors is an integer number (12407247).
Almost surely, 282453285 is an apocalyptic number.
It is an amenable number.
82453285 is a deficient number, since it is larger than the sum of its proper divisors (16804691).
82453285 is a wasteful number, since it uses less digits than its factorization.
82453285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52343.
The product of its digits is 76800, while the sum is 37.
The square root of 82453285 is about 9080.3791220411. The cubic root of 82453285 is about 435.2472017229.
The spelling of 82453285 in words is "eighty-two million, four hundred fifty-three thousand, two hundred eighty-five".
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