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530868 = 223134183
BaseRepresentation
bin10000001100110110100
3222222012210
42001212310
5113441433
615213420
74340502
oct2014664
9888183
10530868
11332938
12217270
13157830
14db672
15a7463
hex819b4

530868 has 48 divisors (see below), whose sum is σ = 1382976. Its totient is φ = 157440.

The previous prime is 530861. The next prime is 530869. The reversal of 530868 is 868035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530861) by changing a digit.

530868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6355 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (28812).

2530868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691488).

530868 is an abundant number, since it is smaller than the sum of its proper divisors (852108).

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

530868 is a wasteful number, since it uses less digits than its factorization.

530868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 530868 is about 728.6068898933. The cubic root of 530868 is about 80.9708781151.

The spelling of 530868 in words is "five hundred thirty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 41 52 78 82 83 123 156 164 166 246 249 332 492 498 533 996 1066 1079 1599 2132 2158 3198 3237 3403 4316 6396 6474 6806 10209 12948 13612 20418 40836 44239 88478 132717 176956 265434 530868