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530321 = 11371303
BaseRepresentation
bin10000001011110010001
3222221110112
42001132101
5113432241
615211105
74336061
oct2013621
9887415
10530321
11332490
12216a95
131574cc
14db3a1
15a71eb
hex81791

530321 has 8 divisors (see below), whose sum is σ = 594624. Its totient is φ = 468720.

The previous prime is 530303. The next prime is 530329. The reversal of 530321 is 123035.

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

It is a cyclic number.

It is not a de Polignac number, because 530321 - 214 = 513937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530296 and 530305.

It is not an unprimeable number, because it can be changed into a prime (530329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (74328).

2530321 is an apocalyptic number.

It is an amenable number.

530321 is a deficient number, since it is larger than the sum of its proper divisors (64303).

530321 is a wasteful number, since it uses less digits than its factorization.

530321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 530321 is about 728.2314192618. The cubic root of 530321 is about 80.9430580849.

Adding to 530321 its reverse (123035), we get a palindrome (653356).

The spelling of 530321 in words is "five hundred thirty thousand, three hundred twenty-one".

Divisors: 1 11 37 407 1303 14333 48211 530321