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530445233 = 1015251933
BaseRepresentation
bin11111100111011…
…111001110110001
31100222010102001202
4133213133032301
52041243221413
6124345140545
716100465363
oct3747371661
91328112052
10530445233
1125247139a
1212978a755
1385b84926
145063cd33
153187de58
hex1f9df3b1

530445233 has 4 divisors (see below), whose sum is σ = 535697268. Its totient is φ = 525193200.

The previous prime is 530445221. The next prime is 530445239. The reversal of 530445233 is 332544035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419922064 + 110523169 = 20492^2 + 10513^2 .

It is a cyclic number.

It is not a de Polignac number, because 530445233 - 24 = 530445217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530445196 and 530445205.

It is not an unprimeable number, because it can be changed into a prime (530445239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625866 + ... + 2626067.

It is an arithmetic number, because the mean of its divisors is an integer number (133924317).

Almost surely, 2530445233 is an apocalyptic number.

It is an amenable number.

530445233 is a deficient number, since it is larger than the sum of its proper divisors (5252035).

530445233 is a wasteful number, since it uses less digits than its factorization.

530445233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252034.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 530445233 is about 23031.3966793158. The cubic root of 530445233 is about 809.4937816518.

Adding to 530445233 its reverse (332544035), we get a palindrome (862989268).

The spelling of 530445233 in words is "five hundred thirty million, four hundred forty-five thousand, two hundred thirty-three".

Divisors: 1 101 5251933 530445233