Base | Representation |
---|---|
bin | 11111100111011… |
… | …011100111110001 |
3 | 1100222002122210012 |
4 | 133213123213301 |
5 | 2041242233244 |
6 | 124344544305 |
7 | 16100404313 |
oct | 3747334761 |
9 | 1328078705 |
10 | 530430449 |
11 | 25246127a |
12 | 129782095 |
13 | 85b7ac93 |
14 | 506377b3 |
15 | 3187989e |
hex | 1f9db9f1 |
530430449 has 2 divisors, whose sum is σ = 530430450. Its totient is φ = 530430448.
The previous prime is 530430431. The next prime is 530430469. The reversal of 530430449 is 944034035.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 427042225 + 103388224 = 20665^2 + 10168^2 .
It is a cyclic number.
It is not a de Polignac number, because 530430449 - 212 = 530426353 is a prime.
It is a super-2 number, since 2×5304304492 = 562712922452683202, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (530430419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265215224 + 265215225.
It is an arithmetic number, because the mean of its divisors is an integer number (265215225).
Almost surely, 2530430449 is an apocalyptic number.
It is an amenable number.
530430449 is a deficient number, since it is larger than the sum of its proper divisors (1).
530430449 is an equidigital number, since it uses as much as digits as its factorization.
530430449 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25920, while the sum is 32.
The square root of 530430449 is about 23031.0757238997. The cubic root of 530430449 is about 809.4862611347.
It can be divided in two parts, 5304 and 30449, that added together give a palindrome (35753).
The spelling of 530430449 in words is "five hundred thirty million, four hundred thirty thousand, four hundred forty-nine".
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