Base | Representation |
---|---|
bin | 100110100100… |
… | …0100101111011 |
3 | 1102001022000101 |
4 | 1031020211323 |
5 | 20134022113 |
6 | 2001220231 |
7 | 333604156 |
oct | 115104573 |
9 | 42038011 |
10 | 20220283 |
11 | 10460886 |
12 | 6931677 |
13 | 425c785 |
14 | 2984c9d |
15 | 1b962dd |
hex | 134897b |
20220283 has 2 divisors, whose sum is σ = 20220284. Its totient is φ = 20220282.
The previous prime is 20220271. The next prime is 20220307. The reversal of 20220283 is 38202202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20220283 - 25 = 20220251 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20220283.
It is not a weakly prime, because it can be changed into another prime (20220253) 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 as a sum of consecutive naturals, namely, 10110141 + 10110142.
It is an arithmetic number, because the mean of its divisors is an integer number (10110142).
Almost surely, 220220283 is an apocalyptic number.
20220283 is a deficient number, since it is larger than the sum of its proper divisors (1).
20220283 is an equidigital number, since it uses as much as digits as its factorization.
20220283 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 20220283 is about 4496.6968988359. The cubic root of 20220283 is about 272.4346918655.
Adding to 20220283 its reverse (38202202), we get a palindrome (58422485).
It can be divided in two parts, 20220 and 283, that added together give a triangular number (20503 = T202).
The spelling of 20220283 in words is "twenty million, two hundred twenty thousand, two hundred eighty-three".
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