Base | Representation |
---|---|
bin | 11111100000111… |
… | …100011110100011 |
3 | 1100211220021020022 |
4 | 133200330132203 |
5 | 2040323330034 |
6 | 124244304055 |
7 | 16050062636 |
oct | 3740743643 |
9 | 1324807208 |
10 | 528730019 |
11 | 2514aa764 |
12 | 1290a202b |
13 | 85703ccc |
14 | 50313c1d |
15 | 31640b2e |
hex | 1f83c7a3 |
528730019 has 2 divisors, whose sum is σ = 528730020. Its totient is φ = 528730018.
The previous prime is 528729997. The next prime is 528730061. The reversal of 528730019 is 910037825.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-528730019 is a prime.
It is a super-2 number, since 2×5287300192 = 559110865983480722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (528730519) by changing a digit.
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 as a sum of consecutive naturals, namely, 264365009 + 264365010.
It is an arithmetic number, because the mean of its divisors is an integer number (264365010).
Almost surely, 2528730019 is an apocalyptic number.
528730019 is a deficient number, since it is larger than the sum of its proper divisors (1).
528730019 is an equidigital number, since it uses as much as digits as its factorization.
528730019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15120, while the sum is 35.
The square root of 528730019 is about 22994.1300987883. The cubic root of 528730019 is about 808.6203303100.
The spelling of 528730019 in words is "five hundred twenty-eight million, seven hundred thirty thousand, nineteen".
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