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530710561 = 635383537
BaseRepresentation
bin11111101000100…
…000000000100001
31100222121220000201
4133220200000201
52041330214221
6124354545201
716102652053
oct3750400041
91328556021
10530710561
11252632777
12129898201
1385c48624
14506ab8d3
15318d2891
hex1fa20021

530710561 has 4 divisors (see below), whose sum is σ = 530800452. Its totient is φ = 530620672.

The previous prime is 530710541. The next prime is 530710619. The reversal of 530710561 is 165017035.

Adding to 530710561 its reverse (165017035), we get a palindrome (695727596).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165017035 = 533003407.

It can be written as a sum of positive squares in 2 ways, for example, as 439698961 + 91011600 = 20969^2 + 9540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530710561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530710541) 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, 35416 + ... + 48121.

It is an arithmetic number, because the mean of its divisors is an integer number (132700113).

It is a 5904-hyperperfect number.

Almost surely, 2530710561 is an apocalyptic number.

It is an amenable number.

530710561 is a deficient number, since it is larger than the sum of its proper divisors (89891).

530710561 is an equidigital number, since it uses as much as digits as its factorization.

530710561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89890.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 530710561 is about 23037.1560961851. The cubic root of 530710561 is about 809.6287283918.

The spelling of 530710561 in words is "five hundred thirty million, seven hundred ten thousand, five hundred sixty-one".

Divisors: 1 6353 83537 530710561