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530043331 = 555795383
BaseRepresentation
bin11111100101111…
…101000111000011
31100221100222202111
4133211331013003
52041142341311
6124332400151
716064202556
oct3745750703
91327328674
10530043331
11252217444
12129616057
1385a73a0c
145057669d
15317eed21
hex1f97d1c3

530043331 has 4 divisors (see below), whose sum is σ = 530144272. Its totient is φ = 529942392.

The previous prime is 530043313. The next prime is 530043379. The reversal of 530043331 is 133340035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133340035 = 526668007.

It is a cyclic number.

It is not a de Polignac number, because 530043331 - 29 = 530042819 is a prime.

It is a super-2 number, since 2×5300433312 = 561891865475151122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530043431) 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, 42135 + ... + 53248.

It is an arithmetic number, because the mean of its divisors is an integer number (132536068).

Almost surely, 2530043331 is an apocalyptic number.

530043331 is a deficient number, since it is larger than the sum of its proper divisors (100941).

530043331 is an equidigital number, since it uses as much as digits as its factorization.

530043331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100940.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 530043331 is about 23022.6699363910. The cubic root of 530043331 is about 809.2892871692.

Adding to 530043331 its reverse (133340035), we get a palindrome (663383366).

The spelling of 530043331 in words is "five hundred thirty million, forty-three thousand, three hundred thirty-one".

Divisors: 1 5557 95383 530043331