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530436565 = 5106087313
BaseRepresentation
bin11111100111011…
…101000111010101
31100222002222011201
4133213131013111
52041242432230
6124345032501
716100431201
oct3747350725
91328088151
10530436565
1125246592a
12129785731
1385b809b9
1450639b01
153187b5ca
hex1f9dd1d5

530436565 has 4 divisors (see below), whose sum is σ = 636523884. Its totient is φ = 424349248.

The previous prime is 530436559. The next prime is 530436581. The reversal of 530436565 is 565634035.

530436565 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 565634035 = 5113126807.

It can be written as a sum of positive squares in 2 ways, for example, as 193126609 + 337309956 = 13897^2 + 18366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530436565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53043652 + ... + 53043661.

It is an arithmetic number, because the mean of its divisors is an integer number (159130971).

Almost surely, 2530436565 is an apocalyptic number.

It is an amenable number.

530436565 is a deficient number, since it is larger than the sum of its proper divisors (106087319).

530436565 is a wasteful number, since it uses less digits than its factorization.

530436565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106087318.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 530436565 is about 23031.2085006410. The cubic root of 530436565 is about 809.4893723179.

The spelling of 530436565 in words is "five hundred thirty million, four hundred thirty-six thousand, five hundred sixty-five".

Divisors: 1 5 106087313 530436565