Base | Representation |
---|---|
bin | 111100110011110… |
… | …001000110011110 |
3 | 2122002200200222221 |
4 | 330303301012132 |
5 | 4042133002142 |
6 | 245122255554 |
7 | 34165405000 |
oct | 7463610636 |
9 | 2562620887 |
10 | 1020203422 |
11 | 483972a27 |
12 | 2457b75ba |
13 | 133492084 |
14 | 996ca370 |
15 | 5e872767 |
hex | 3ccf119e |
1020203422 has 32 divisors (see below), whose sum is σ = 1889611200. Its totient is φ = 411505920.
The previous prime is 1020203411. The next prime is 1020203453. The reversal of 1020203422 is 2243020201.
It is a junction number, because it is equal to n+sod(n) for n = 1020203396 and 1020203405.
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 15 ways as a sum of consecutive naturals, for example, 32079 + ... + 55402.
It is an arithmetic number, because the mean of its divisors is an integer number (59050350).
Almost surely, 21020203422 is an apocalyptic number.
1020203422 is a deficient number, since it is larger than the sum of its proper divisors (869407778).
1020203422 is an equidigital number, since it uses as much as digits as its factorization.
1020203422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87521 (or 87507 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 1020203422 is about 31940.6233815184. The cubic root of 1020203422 is about 1006.6896231528.
Adding to 1020203422 its reverse (2243020201), we get a palindrome (3263223623).
The spelling of 1020203422 in words is "one billion, twenty million, two hundred three thousand, four hundred twenty-two".
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