Base | Representation |
---|---|
bin | 111101010101010… |
… | …100001111000100 |
3 | 2122201020112000011 |
4 | 331111110033010 |
5 | 4101410414314 |
6 | 250035000004 |
7 | 34333224262 |
oct | 7525241704 |
9 | 2581215004 |
10 | 1028998084 |
11 | 48892a544 |
12 | 248739004 |
13 | 13525110a |
14 | 9a939432 |
15 | 6050d4c4 |
hex | 3d5543c4 |
1028998084 has 27 divisors (see below), whose sum is σ = 1848554253. Its totient is φ = 501186672.
The previous prime is 1028998079. The next prime is 1028998093. The reversal of 1028998084 is 4808998201.
The square root of 1028998084 is 32078.
It is a perfect power (a square), and thus also a powerful number.
1028998084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 559322500 + 469675584 = 23650^2 + 21672^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2758522 + ... + 2758894.
Almost surely, 21028998084 is an apocalyptic number.
1028998084 is the 32078-th square number.
It is an amenable number.
1028998084 is a deficient number, since it is larger than the sum of its proper divisors (819556169).
1028998084 is an frugal number, since it uses more digits than its factorization.
1028998084 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 836 (or 418 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 49.
The cubic root of 1028998084 is about 1009.5740726048.
Multiplying 1028998084 by its sum of digits (49), we get a square (50420906116 = 2245462).
Multiplying 1028998084 by its product of nonzero digits (331776), we get a square (341396868317184 = 184769282).
The spelling of 1028998084 in words is "one billion, twenty-eight million, nine hundred ninety-eight thousand, eighty-four".
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