Base | Representation |
---|---|
bin | 110110001110… |
… | …0010110100011 |
3 | 1222111021110011 |
4 | 1230130112203 |
5 | 24234141213 |
6 | 2453145351 |
7 | 463426354 |
oct | 154342643 |
9 | 58437404 |
10 | 28427683 |
11 | 15057159 |
12 | 962b257 |
13 | 5b7441b |
14 | 3abdd2b |
15 | 276803d |
hex | 1b1c5a3 |
28427683 has 2 divisors, whose sum is σ = 28427684. Its totient is φ = 28427682.
The previous prime is 28427681. The next prime is 28427699. The reversal of 28427683 is 38672482.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28427683 - 21 = 28427681 is a prime.
Together with 28427681, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (28427681) 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, 14213841 + 14213842.
It is an arithmetic number, because the mean of its divisors is an integer number (14213842).
Almost surely, 228427683 is an apocalyptic number.
28427683 is a deficient number, since it is larger than the sum of its proper divisors (1).
28427683 is an equidigital number, since it uses as much as digits as its factorization.
28427683 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 129024, while the sum is 40.
The square root of 28427683 is about 5331.7617163560. The cubic root of 28427683 is about 305.1971599907.
The spelling of 28427683 in words is "twenty-eight million, four hundred twenty-seven thousand, six hundred eighty-three".
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