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530323540 = 22526516177
BaseRepresentation
bin11111100111000…
…001100001010100
31100221220020010121
4133213001201110
52041230323130
6124342401324
716066450525
oct3747014124
91327806117
10530323540
11252398a1a
12129730244
1385b41416
145060a84c
1531857d7a
hex1f9c1854

530323540 has 12 divisors (see below), whose sum is σ = 1113679476. Its totient is φ = 212129408.

The previous prime is 530323481. The next prime is 530323579. The reversal of 530323540 is 45323035.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136142224 + 394181316 = 11668^2 + 19854^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13258069 + ... + 13258108.

It is an arithmetic number, because the mean of its divisors is an integer number (92806623).

Almost surely, 2530323540 is an apocalyptic number.

It is an amenable number.

530323540 is an abundant number, since it is smaller than the sum of its proper divisors (583355936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530323540 is a wasteful number, since it uses less digits than its factorization.

530323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26516186 (or 26516184 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 530323540 is about 23028.7546341525. The cubic root of 530323540 is about 809.4318731173.

Adding to 530323540 its reverse (45323035), we get a palindrome (575646575).

The spelling of 530323540 in words is "five hundred thirty million, three hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 26516177 53032354 106064708 132580885 265161770 530323540