Base | Representation |
---|---|
bin | 1001110011100… |
… | …01101010011010 |
3 | 12201202221221121 |
4 | 10321301222122 |
5 | 132024120430 |
6 | 12054555454 |
7 | 2016103003 |
oct | 471615232 |
9 | 181687847 |
10 | 82254490 |
11 | 4248101a |
12 | 23668b8a |
13 | 1406c5c6 |
14 | acd21aa |
15 | 734ba7a |
hex | 4e71a9a |
82254490 has 16 divisors (see below), whose sum is σ = 148164552. Its totient is φ = 32878144.
The previous prime is 82254467. The next prime is 82254499. The reversal of 82254490 is 9445228.
It can be written as a sum of positive squares in 4 ways, for example, as 80514729 + 1739761 = 8973^2 + 1319^2 .
It is a super-2 number, since 2×822544902 = 13531602250320200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (82254499) 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, 20532 + ... + 24208.
Almost surely, 282254490 is an apocalyptic number.
82254490 is a deficient number, since it is larger than the sum of its proper divisors (65910062).
82254490 is a wasteful number, since it uses less digits than its factorization.
82254490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5921.
The product of its (nonzero) digits is 23040, while the sum is 34.
The square root of 82254490 is about 9069.4261119434. The cubic root of 82254490 is about 434.8971263316.
The spelling of 82254490 in words is "eighty-two million, two hundred fifty-four thousand, four hundred ninety".
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