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530022013 = 809655157
BaseRepresentation
bin11111100101110…
…111111001111101
31100221022220111221
4133211313321331
52041141201023
6124332113341
716064053453
oct3745677175
91327286457
10530022013
11252202424
12129605851
1385a670c1
145056c9d3
15317e885d
hex1f977e7d

530022013 has 4 divisors (see below), whose sum is σ = 530677980. Its totient is φ = 529366048.

The previous prime is 530022007. The next prime is 530022019. The reversal of 530022013 is 310220035.

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

It is an interprime number because it is at equal distance from previous prime (530022007) and next prime (530022019).

It can be written as a sum of positive squares in 2 ways, for example, as 507240484 + 22781529 = 22522^2 + 4773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530022013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530022019) 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, 326770 + ... + 328387.

It is an arithmetic number, because the mean of its divisors is an integer number (132669495).

Almost surely, 2530022013 is an apocalyptic number.

It is an amenable number.

530022013 is a deficient number, since it is larger than the sum of its proper divisors (655967).

530022013 is an equidigital number, since it uses as much as digits as its factorization.

530022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655966.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 530022013 is about 23022.2069532875. The cubic root of 530022013 is about 809.2784373264.

Adding to 530022013 its reverse (310220035), we get a palindrome (840242048).

The spelling of 530022013 in words is "five hundred thirty million, twenty-two thousand, thirteen".

Divisors: 1 809 655157 530022013