Base | Representation |
---|---|
bin | 111100001101101… |
… | …0010101101011100 |
3 | 12012210202222210211 |
4 | 1320123102231130 |
5 | 13114211423234 |
6 | 532252342204 |
7 | 101032201420 |
oct | 17033225534 |
9 | 5183688724 |
10 | 2020420444 |
11 | 947524869 |
12 | 484774964 |
13 | 262776c73 |
14 | 152492b80 |
15 | bc598164 |
hex | 786d2b5c |
2020420444 has 12 divisors (see below), whose sum is σ = 4040840944. Its totient is φ = 865894464.
The previous prime is 2020420439. The next prime is 2020420453. The reversal of 2020420444 is 4440240202.
2020420444 is an admirable number.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 36078909 + ... + 36078964.
Almost surely, 22020420444 is an apocalyptic number.
It is an amenable number.
2020420444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020420444 is a wasteful number, since it uses less digits than its factorization.
2020420444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72157884 (or 72157882 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 22.
The square root of 2020420444 is about 44949.0872432355. The cubic root of 2020420444 is about 1264.1945627637.
Adding to 2020420444 its reverse (4440240202), we get a palindrome (6460660646).
The spelling of 2020420444 in words is "two billion, twenty million, four hundred twenty thousand, four hundred forty-four".
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