Base | Representation |
---|---|
bin | 111100011100110… |
… | …1011001001000111 |
3 | 12020100202121220102 |
4 | 1320321223021013 |
5 | 13123231303324 |
6 | 533135154315 |
7 | 101156662265 |
oct | 17071531107 |
9 | 5210677812 |
10 | 2028384839 |
11 | 950a74608 |
12 | 48737599b |
13 | 264305120 |
14 | 153567435 |
15 | bd11cdae |
hex | 78e6b247 |
2028384839 has 16 divisors (see below), whose sum is σ = 2268456960. Its totient is φ = 1801046880.
The previous prime is 2028384833. The next prime is 2028384847. The reversal of 2028384839 is 9384838202.
It is a cyclic number.
It is not a de Polignac number, because 2028384839 - 216 = 2028319303 is a prime.
It is a super-2 number, since 2×20283848392 = 8228690110170111842, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2028384793 and 2028384802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028384833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52232 + ... + 82370.
It is an arithmetic number, because the mean of its divisors is an integer number (141778560).
Almost surely, 22028384839 is an apocalyptic number.
2028384839 is a deficient number, since it is larger than the sum of its proper divisors (240072121).
2028384839 is a wasteful number, since it uses less digits than its factorization.
2028384839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30350.
The product of its (nonzero) digits is 663552, while the sum is 47.
The square root of 2028384839 is about 45037.5936191089. The cubic root of 2028384839 is about 1265.8535151340.
The spelling of 2028384839 in words is "two billion, twenty-eight million, three hundred eighty-four thousand, eight hundred thirty-nine".
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