| Base | Representation |
|---|---|
| bin | 11010010011011110… |
| … | …111011110000010000 |
| 3 | 2200220101101011122100 |
| 4 | 122103132323300100 |
| 5 | 430321001213400 |
| 6 | 20550350240400 |
| 7 | 2016626300202 |
| oct | 322336736020 |
| 9 | 80811334570 |
| 10 | 28244163600 |
| 11 | 10a84104174 |
| 12 | 5582ab6100 |
| 13 | 2881698a53 |
| 14 | 151d18a772 |
| 15 | b048e6100 |
| hex | 6937bbc10 |
28244163600 has 135 divisors (see below), whose sum is σ = 98050098679. Its totient is φ = 7529088000.
The previous prime is 28244163593. The next prime is 28244163641. The reversal of 28244163600 is 636144282.
The square root of 28244163600 is 168060.
It is a perfect power (a square), and thus also a powerful number.
28244163600 is a `hidden beast` number, since 2 + 8 + 2 + 4 + 41 + 6 + 3 + 600 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 485937936 + 27758225664 = 22044^2 + 166608^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10082200 + ... + 10085000.
Almost surely, 228244163600 is an apocalyptic number.
28244163600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
28244163600 is the 168060-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28244163600
28244163600 is an abundant number, since it is smaller than the sum of its proper divisors (69805935079).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28244163600 is an equidigital number, since it uses as much as digits as its factorization.
28244163600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5626 (or 2811 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
Multiplying 28244163600 by its sum of digits (36), we get a square (1016789889600 = 10083602).
28244163600 divided by its sum of digits (36) gives a square (784560100 = 280102).
It can be divided in two parts, 28244 and 163600, that added together give a square (191844 = 4382).
The spelling of 28244163600 in words is "twenty-eight billion, two hundred forty-four million, one hundred sixty-three thousand, six hundred".
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