Base | Representation |
---|---|
bin | 11111100110011… |
… | …010001110111101 |
3 | 1100221121001101122 |
4 | 133212122032331 |
5 | 2041210200441 |
6 | 124335120325 |
7 | 16065210422 |
oct | 3746321675 |
9 | 1327531348 |
10 | 530162621 |
11 | 25229902a |
12 | 1296730a5 |
13 | 85ab60c1 |
14 | 505a7d49 |
15 | 3182534b |
hex | 1f99a3bd |
530162621 has 2 divisors, whose sum is σ = 530162622. Its totient is φ = 530162620.
The previous prime is 530162617. The next prime is 530162623. The reversal of 530162621 is 126261035.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 519338521 + 10824100 = 22789^2 + 3290^2 .
It is a cyclic number.
It is not a de Polignac number, because 530162621 - 22 = 530162617 is a prime.
Together with 530162623, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (530162623) 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, 265081310 + 265081311.
It is an arithmetic number, because the mean of its divisors is an integer number (265081311).
Almost surely, 2530162621 is an apocalyptic number.
It is an amenable number.
530162621 is a deficient number, since it is larger than the sum of its proper divisors (1).
530162621 is an equidigital number, since it uses as much as digits as its factorization.
530162621 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 26.
The square root of 530162621 is about 23025.2604979835. The cubic root of 530162621 is about 809.3499947076.
The spelling of 530162621 in words is "five hundred thirty million, one hundred sixty-two thousand, six hundred twenty-one".
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