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530028 = 223214723
BaseRepresentation
bin10000001011001101100
3222221001200
42001121230
5113430103
615205500
74335162
oct2013154
9887050
10530028
11332244
12216890
13157335
14db232
15a70a3
hex8166c

530028 has 18 divisors (see below), whose sum is σ = 1339884. Its totient is φ = 176664.

The previous prime is 530027. The next prime is 530041. The reversal of 530028 is 820035.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (530021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7326 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (74438).

2530028 is an apocalyptic number.

It is an amenable number.

530028 is an abundant number, since it is smaller than the sum of its proper divisors (809856).

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

530028 is a wasteful number, since it uses less digits than its factorization.

530028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733 (or 14728 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 530028 is about 728.0302191530. The cubic root of 530028 is about 80.9281484453.

The spelling of 530028 in words is "five hundred thirty thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 14723 29446 44169 58892 88338 132507 176676 265014 530028