Base | Representation |
---|---|
bin | 11111101000111… |
… | …000111111100101 |
3 | 1100222211002102002 |
4 | 133220320333211 |
5 | 2041342003101 |
6 | 124401055045 |
7 | 16103556323 |
oct | 3750707745 |
9 | 1328732362 |
10 | 530812901 |
11 | 2526a2653 |
12 | 129927485 |
13 | 85c83098 |
14 | 506d6d13 |
15 | 31902d6b |
hex | 1fa38fe5 |
530812901 has 2 divisors, whose sum is σ = 530812902. Its totient is φ = 530812900.
The previous prime is 530812889. The next prime is 530812957. The reversal of 530812901 is 109218035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 530196676 + 616225 = 23026^2 + 785^2 .
It is a cyclic number.
It is not a de Polignac number, because 530812901 - 210 = 530811877 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (532812901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265406450 + 265406451.
It is an arithmetic number, because the mean of its divisors is an integer number (265406451).
Almost surely, 2530812901 is an apocalyptic number.
It is an amenable number.
530812901 is a deficient number, since it is larger than the sum of its proper divisors (1).
530812901 is an equidigital number, since it uses as much as digits as its factorization.
530812901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2160, while the sum is 29.
The square root of 530812901 is about 23039.3771834223. The cubic root of 530812901 is about 809.6807668504.
The spelling of 530812901 in words is "five hundred thirty million, eight hundred twelve thousand, nine hundred one".
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