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530923 = 2412203
BaseRepresentation
bin10000001100111101011
3222222021211
42001213223
5113442143
615213551
74340611
oct2014753
9888254
10530923
11332988
122172b7
13157873
14db6b1
15a749d
hex819eb

530923 has 4 divisors (see below), whose sum is σ = 533368. Its totient is φ = 528480.

The previous prime is 530911. The next prime is 530947. The reversal of 530923 is 329035.

530923 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 530923 - 217 = 399851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530894 and 530903.

It is not an unprimeable number, because it can be changed into a prime (530983) 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, 861 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (133342).

2530923 is an apocalyptic number.

530923 is a deficient number, since it is larger than the sum of its proper divisors (2445).

530923 is a wasteful number, since it uses less digits than its factorization.

530923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 530923 is about 728.6446321768. The cubic root of 530923 is about 80.9736743184.

Adding to 530923 its reverse (329035), we get a palindrome (859958).

The spelling of 530923 in words is "five hundred thirty thousand, nine hundred twenty-three".

Divisors: 1 241 2203 530923