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530239613 = 5310004521
BaseRepresentation
bin11111100110101…
…101000001111101
31100221201222000012
4133212231001331
52041220131423
6124340513005
716065651041
oct3746550175
91327658005
10530239613
11252340962
121296ab765
1385b12167
14505c8021
153183d078
hex1f9ad07d

530239613 has 4 divisors (see below), whose sum is σ = 540244188. Its totient is φ = 520235040.

The previous prime is 530239609. The next prime is 530239621. The reversal of 530239613 is 316932035.

530239613 = 162822 + 162832.

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 265136089 + 265103524 = 16283^2 + 16282^2 .

It is a cyclic number.

It is not a de Polignac number, because 530239613 - 22 = 530239609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530239613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530239693) 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, 5002208 + ... + 5002313.

It is an arithmetic number, because the mean of its divisors is an integer number (135061047).

Almost surely, 2530239613 is an apocalyptic number.

530239613 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

530239613 is the 16283-rd centered square number.

It is an amenable number.

530239613 is a deficient number, since it is larger than the sum of its proper divisors (10004575).

530239613 is a wasteful number, since it uses less digits than its factorization.

530239613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004574.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 530239613 is about 23026.9323401968. The cubic root of 530239613 is about 809.3891716545.

The spelling of 530239613 in words is "five hundred thirty million, two hundred thirty-nine thousand, six hundred thirteen".

Divisors: 1 53 10004521 530239613