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530542423 = 642782549
BaseRepresentation
bin11111100111110…
…110111101010111
31100222022100101101
4133213312331113
52041304324143
6124351210531
716101351625
oct3747667527
91328270341
10530542423
11252528414
12129816a47
1385bb9c38
1450666515
153189cb4d
hex1f9f6f57

530542423 has 4 divisors (see below), whose sum is σ = 530631400. Its totient is φ = 530453448.

The previous prime is 530542417. The next prime is 530542427. The reversal of 530542423 is 324245035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530542423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530542391 and 530542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530542427) 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, 34848 + ... + 47701.

It is an arithmetic number, because the mean of its divisors is an integer number (132657850).

Almost surely, 2530542423 is an apocalyptic number.

530542423 is a deficient number, since it is larger than the sum of its proper divisors (88977).

530542423 is an equidigital number, since it uses as much as digits as its factorization.

530542423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88976.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 530542423 is about 23033.5065285336. The cubic root of 530542423 is about 809.5432180442.

Adding to 530542423 its reverse (324245035), we get a palindrome (854787458).

It can be divided in two parts, 530542 and 423, that added together give a triangular number (530965 = T1030).

The spelling of 530542423 in words is "five hundred thirty million, five hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 6427 82549 530542423