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580228 = 221113187
BaseRepresentation
bin10001101101010000100
31002110220221
42031222010
5122031403
620234124
74634425
oct2155204
91073827
10580228
11366a30
1223b944
1317413c
1411164c
15b6dbd
hex8da84

580228 has 12 divisors (see below), whose sum is σ = 1107792. Its totient is φ = 263720.

The previous prime is 580219. The next prime is 580231. The reversal of 580228 is 822085.

It is an unprimeable number.

580228 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, 6550 + ... + 6637.

It is an arithmetic number, because the mean of its divisors is an integer number (92316).

2580228 is an apocalyptic number.

It is an amenable number.

580228 is a deficient number, since it is larger than the sum of its proper divisors (527564).

580228 is a wasteful number, since it uses less digits than its factorization.

580228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202 (or 13200 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 580228 is about 761.7269852119. The cubic root of 580228 is about 83.4064354098.

It can be divided in two parts, 580 and 228, that added together give a palindrome (808).

The spelling of 580228 in words is "five hundred eighty thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 44 13187 26374 52748 145057 290114 580228