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530438 = 2337787
BaseRepresentation
bin10000001100000000110
3222221121212
42001200012
5113433223
615211422
74336316
oct2014006
9887555
10530438
11332587
12216b72
1315758c
14db446
15a7278
hex81806

530438 has 8 divisors (see below), whose sum is σ = 799032. Its totient is φ = 264096.

The previous prime is 530429. The next prime is 530443. The reversal of 530438 is 834035.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

530438 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 (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1067.

It is an arithmetic number, because the mean of its divisors is an integer number (99879).

2530438 is an apocalyptic number.

530438 is a deficient number, since it is larger than the sum of its proper divisors (268594).

530438 is a wasteful number, since it uses less digits than its factorization.

530438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 530438 is about 728.3117464383. The cubic root of 530438 is about 80.9490102293.

The spelling of 530438 in words is "five hundred thirty thousand, four hundred thirty-eight".

Divisors: 1 2 337 674 787 1574 265219 530438