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530145313 = 1300340771
BaseRepresentation
bin11111100110010…
…110000000100001
31100221120011122121
4133212112000201
52041204122223
6124334504241
716065106105
oct3746260041
91327504577
10530145313
11252287025
12129665081
1385aab269
14505a1905
153182015d
hex1f996021

530145313 has 4 divisors (see below), whose sum is σ = 530199088. Its totient is φ = 530091540.

The previous prime is 530145281. The next prime is 530145337. The reversal of 530145313 is 313541035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 530145313 - 25 = 530145281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530145373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7383 + ... + 33388.

It is an arithmetic number, because the mean of its divisors is an integer number (132549772).

Almost surely, 2530145313 is an apocalyptic number.

It is an amenable number.

530145313 is a deficient number, since it is larger than the sum of its proper divisors (53775).

530145313 is a wasteful number, since it uses less digits than its factorization.

530145313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53774.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 530145313 is about 23024.8846468337. The cubic root of 530145313 is about 809.3411871068.

Adding to 530145313 its reverse (313541035), we get a palindrome (843686348).

The spelling of 530145313 in words is "five hundred thirty million, one hundred forty-five thousand, three hundred thirteen".

Divisors: 1 13003 40771 530145313