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530711623 = 1367609313
BaseRepresentation
bin11111101000100…
…000010001000111
31100222121221111001
4133220200101013
52041330232443
6124354554131
716102655131
oct3750402107
91328557431
10530711623
11252633552
12129898947
1385c48c60
14506ac051
15318d2d4d
hex1fa20447

530711623 has 8 divisors (see below), whose sum is σ = 580066928. Its totient is φ = 482575104.

The previous prime is 530711617. The next prime is 530711647. The reversal of 530711623 is 326117035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530711623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530711591 and 530711600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530711603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303786 + ... + 305527.

It is an arithmetic number, because the mean of its divisors is an integer number (72508366).

Almost surely, 2530711623 is an apocalyptic number.

530711623 is a deficient number, since it is larger than the sum of its proper divisors (49355305).

530711623 is a wasteful number, since it uses less digits than its factorization.

530711623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609393.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 530711623 is about 23037.1791458937. The cubic root of 530711623 is about 809.6292684383.

Adding to 530711623 its reverse (326117035), we get a palindrome (856828658).

The spelling of 530711623 in words is "five hundred thirty million, seven hundred eleven thousand, six hundred twenty-three".

Divisors: 1 13 67 871 609313 7921069 40823971 530711623