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530538 = 2388423
BaseRepresentation
bin10000001100001101010
3222221202120
42001201222
5113434123
615212110
74336521
oct2014152
9887676
10530538
11332668
12217036
13157638
14db4b8
15a72e3
hex8186a

530538 has 8 divisors (see below), whose sum is σ = 1061088. Its totient is φ = 176844.

The previous prime is 530533. The next prime is 530539. The reversal of 530538 is 835035.

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

530538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (530531) by changing a digit.

530538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44206 + ... + 44217.

It is an arithmetic number, because the mean of its divisors is an integer number (132636).

2530538 is an apocalyptic number.

530538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530538 is a wasteful number, since it uses less digits than its factorization.

530538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88428.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 530538 is about 728.3803951233. The cubic root of 530538 is about 80.9540968385.

It can be divided in two parts, 53053 and 8, that multiplied together give a palindrome (424424).

The spelling of 530538 in words is "five hundred thirty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 88423 176846 265269 530538