Base | Representation |
---|---|
bin | 11111101000100… |
… | …111010100000001 |
3 | 1100222200102001212 |
4 | 133220213110001 |
5 | 2041332143411 |
6 | 124355335505 |
7 | 16103135225 |
oct | 3750472401 |
9 | 1328612055 |
10 | 530740481 |
11 | 2526531a7 |
12 | 1298b1595 |
13 | 85c5912b |
14 | 506b8785 |
15 | 318db68b |
hex | 1fa27501 |
530740481 has 2 divisors, whose sum is σ = 530740482. Its totient is φ = 530740480.
The previous prime is 530740477. The next prime is 530740517. The reversal of 530740481 is 184047035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 484704256 + 46036225 = 22016^2 + 6785^2 .
It is a cyclic number.
It is not a de Polignac number, because 530740481 - 22 = 530740477 is a prime.
It is a super-2 number, since 2×5307404812 = 563370916344222722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (530740381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265370240 + 265370241.
It is an arithmetic number, because the mean of its divisors is an integer number (265370241).
Almost surely, 2530740481 is an apocalyptic number.
It is an amenable number.
530740481 is a deficient number, since it is larger than the sum of its proper divisors (1).
530740481 is an equidigital number, since it uses as much as digits as its factorization.
530740481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 530740481 is about 23037.8054727441. The cubic root of 530740481 is about 809.6439429853.
The spelling of 530740481 in words is "five hundred thirty million, seven hundred forty thousand, four hundred eighty-one".
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