Base | Representation |
---|---|
bin | 101010100100000… |
… | …1010010101010101 |
3 | 10200112102012222101 |
4 | 1111020022111111 |
5 | 10411104442322 |
6 | 353415202101 |
7 | 50251344445 |
oct | 12510122525 |
9 | 3615365871 |
10 | 1428202837 |
11 | 673201a26 |
12 | 33a376331 |
13 | 199b74749 |
14 | d7974125 |
15 | 855b6327 |
hex | 5520a555 |
1428202837 has 2 divisors, whose sum is σ = 1428202838. Its totient is φ = 1428202836.
The previous prime is 1428202823. The next prime is 1428202889. The reversal of 1428202837 is 7382028241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 777238641 + 650964196 = 27879^2 + 25514^2 .
It is a cyclic number.
It is not a de Polignac number, because 1428202837 - 215 = 1428170069 is a prime.
It is a super-2 number, since 2×14282028372 = 4079526687229697138, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1428202796 and 1428202805.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1428202807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714101418 + 714101419.
It is an arithmetic number, because the mean of its divisors is an integer number (714101419).
Almost surely, 21428202837 is an apocalyptic number.
It is an amenable number.
1428202837 is a deficient number, since it is larger than the sum of its proper divisors (1).
1428202837 is an equidigital number, since it uses as much as digits as its factorization.
1428202837 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 1428202837 is about 37791.5709781957. The cubic root of 1428202837 is about 1126.1510095007.
The spelling of 1428202837 in words is "one billion, four hundred twenty-eight million, two hundred two thousand, eight hundred thirty-seven".
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