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530430 = 23517681
BaseRepresentation
bin10000001011111111110
3222221121120
42001133332
5113433210
615211410
74336305
oct2013776
9887546
10530430
1133257a
12216b66
13157584
14db43c
15a7270
hex817fe

530430 has 16 divisors (see below), whose sum is σ = 1273104. Its totient is φ = 141440.

The previous prime is 530429. The next prime is 530443. The reversal of 530430 is 34035.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8811 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (79569).

2530430 is an apocalyptic number.

530430 is an abundant number, since it is smaller than the sum of its proper divisors (742674).

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

530430 is a wasteful number, since it uses less digits than its factorization.

530430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17691.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 530430 is about 728.3062542640. The cubic root of 530430 is about 80.9486032729.

Adding to 530430 its reverse (34035), we get a palindrome (564465).

The spelling of 530430 in words is "five hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 17681 35362 53043 88405 106086 176810 265215 530430