Base | Representation |
---|---|
bin | 11111100110110… |
… | …111000111010001 |
3 | 1100221211001122211 |
4 | 133212313013101 |
5 | 2041222442123 |
6 | 124341432121 |
7 | 16066212331 |
oct | 3746670721 |
9 | 1327731584 |
10 | 530280913 |
11 | 252369998 |
12 | 12970b641 |
13 | 85b27bb6 |
14 | 505d90c1 |
15 | 3184a40d |
hex | 1f9b71d1 |
530280913 has 2 divisors, whose sum is σ = 530280914. Its totient is φ = 530280912.
The previous prime is 530280911. The next prime is 530280997. The reversal of 530280913 is 319082035.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 518563984 + 11716929 = 22772^2 + 3423^2 .
It is a cyclic number.
It is not a de Polignac number, because 530280913 - 21 = 530280911 is a prime.
It is a super-2 number, since 2×5302809132 = 562395693384227138, which contains 22 as substring.
Together with 530280911, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (530280911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265140456 + 265140457.
It is an arithmetic number, because the mean of its divisors is an integer number (265140457).
Almost surely, 2530280913 is an apocalyptic number.
It is an amenable number.
530280913 is a deficient number, since it is larger than the sum of its proper divisors (1).
530280913 is an equidigital number, since it uses as much as digits as its factorization.
530280913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 530280913 is about 23027.8290987231. The cubic root of 530280913 is about 809.4101853648.
The spelling of 530280913 in words is "five hundred thirty million, two hundred eighty thousand, nine hundred thirteen".
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