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572228 = 22294933
BaseRepresentation
bin10001011101101000100
31002001221122
42023231010
5121302403
620133112
74602206
oct2135504
91061848
10572228
11360a18
12237198
131705c7
1410c776
15b4838
hex8bb44

572228 has 12 divisors (see below), whose sum is σ = 1036140. Its totient is φ = 276192.

The previous prime is 572207. The next prime is 572233. The reversal of 572228 is 822275.

It can be written as a sum of positive squares in 2 ways, for example, as 238144 + 334084 = 488^2 + 578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 572197 and 572206.

It is an unprimeable number.

572228 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 3 ways as a sum of consecutive naturals, for example, 2351 + ... + 2582.

It is an arithmetic number, because the mean of its divisors is an integer number (86345).

2572228 is an apocalyptic number.

572228 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

572228 is a deficient number, since it is larger than the sum of its proper divisors (463912).

572228 is a wasteful number, since it uses less digits than its factorization.

572228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4964 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 572228 is about 756.4575335073. The cubic root of 572228 is about 83.0213328820.

Subtracting 572228 from its reverse (822275), we obtain a cube (250047 = 633).

The spelling of 572228 in words is "five hundred seventy-two thousand, two hundred twenty-eight".

Divisors: 1 2 4 29 58 116 4933 9866 19732 143057 286114 572228