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530708369 = 1289411721
BaseRepresentation
bin11111101000011…
…111011110010001
31100222121210000112
4133220133132101
52041330131434
6124354531105
716102642502
oct3750373621
91328553015
10530708369
11252631064
12129896a95
1385c47629
14506aaba9
15318d1dce
hex1fa1f791

530708369 has 4 divisors (see below), whose sum is σ = 531121380. Its totient is φ = 530295360.

The previous prime is 530708327. The next prime is 530708377. The reversal of 530708369 is 963807035.

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 465696400 + 65011969 = 21580^2 + 8063^2 .

It is a cyclic number.

It is not a de Polignac number, because 530708369 - 224 = 513931153 is a prime.

It is a super-2 number, since 2×5307083692 = 563302745853280322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (530708309) 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, 204572 + ... + 207149.

It is an arithmetic number, because the mean of its divisors is an integer number (132780345).

Almost surely, 2530708369 is an apocalyptic number.

It is an amenable number.

530708369 is a deficient number, since it is larger than the sum of its proper divisors (413011).

530708369 is a wasteful number, since it uses less digits than its factorization.

530708369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413010.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 530708369 is about 23037.1085208192. The cubic root of 530708369 is about 809.6276137173.

The spelling of 530708369 in words is "five hundred thirty million, seven hundred eight thousand, three hundred sixty-nine".

Divisors: 1 1289 411721 530708369