Base | Representation |
---|---|
bin | 1001110111000… |
… | …10111000000110 |
3 | 12202122112001120 |
4 | 10323202320012 |
5 | 132133440324 |
6 | 12112534410 |
7 | 2023043655 |
oct | 473427006 |
9 | 182575046 |
10 | 82718214 |
11 | 42768467 |
12 | 23851406 |
13 | 141a26b7 |
14 | adb319c |
15 | 73de179 |
hex | 4ee2e06 |
82718214 has 36 divisors (see below), whose sum is σ = 171197964. Its totient is φ = 26644488.
The previous prime is 82718183. The next prime is 82718219. The reversal of 82718214 is 41281728.
It is a happy number.
It is a super-3 number, since 3×827182143 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82718219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1047027 + ... + 1047105.
It is an arithmetic number, because the mean of its divisors is an integer number (4755499).
Almost surely, 282718214 is an apocalyptic number.
82718214 is an abundant number, since it is smaller than the sum of its proper divisors (88479750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82718214 is an equidigital number, since it uses as much as digits as its factorization.
82718214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257 (or 131 counting only the distinct ones).
The product of its digits is 7168, while the sum is 33.
The square root of 82718214 is about 9094.9554149539. The cubic root of 82718214 is about 435.7128646989.
The spelling of 82718214 in words is "eighty-two million, seven hundred eighteen thousand, two hundred fourteen".
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