Base | Representation |
---|---|
bin | 100110010010… |
… | …0110101100100 |
3 | 1101202212010010 |
4 | 1030210311210 |
5 | 20114330303 |
6 | 1554130220 |
7 | 332424165 |
oct | 114446544 |
9 | 41685103 |
10 | 20073828 |
11 | 10370845 |
12 | 6880970 |
13 | 420ac08 |
14 | 294776c |
15 | 1b67c03 |
hex | 1324d64 |
20073828 has 24 divisors (see below), whose sum is σ = 46953088. Its totient is φ = 6674976.
The previous prime is 20073811. The next prime is 20073847. The reversal of 20073828 is 82837002.
It is a junction number, because it is equal to n+sod(n) for n = 20073795 and 20073804.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750 + ... + 7362.
Almost surely, 220073828 is an apocalyptic number.
It is an amenable number.
20073828 is an abundant number, since it is smaller than the sum of its proper divisors (26879260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20073828 is a wasteful number, since it uses less digits than its factorization.
20073828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4083 (or 4081 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 20073828 is about 4480.3825729507. The cubic root of 20073828 is about 271.7753515640.
The spelling of 20073828 in words is "twenty million, seventy-three thousand, eight hundred twenty-eight".
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