Base | Representation |
---|---|
bin | 111101111001010101011 |
3 | 10211001011122 |
4 | 13233022223 |
5 | 1004400303 |
6 | 111245455 |
7 | 23145062 |
oct | 7571253 |
9 | 3731148 |
10 | 2028203 |
11 | 1165901 |
12 | 81988b |
13 | 560228 |
14 | 3ab1d9 |
15 | 2a0e38 |
hex | 1ef2ab |
2028203 has 2 divisors, whose sum is σ = 2028204. Its totient is φ = 2028202.
The previous prime is 2028199. The next prime is 2028217. The reversal of 2028203 is 3028202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2028203 - 22 = 2028199 is a prime.
It is a super-2 number, since 2×20282032 = 8227214818418, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (2028223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014101 + 1014102.
It is an arithmetic number, because the mean of its divisors is an integer number (1014102).
22028203 is an apocalyptic number.
2028203 is a deficient number, since it is larger than the sum of its proper divisors (1).
2028203 is an equidigital number, since it uses as much as digits as its factorization.
2028203 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2028203 is about 1424.1499218832. The cubic root of 2028203 is about 126.5815687267.
Subtracting 2028203 from its reverse (3028202), we obtain a palindrome (999999).
The spelling of 2028203 in words is "two million, twenty-eight thousand, two hundred three".
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