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580804 = 22720743
BaseRepresentation
bin10001101110011000100
31002111201021
42031303010
5122041204
620240524
74636210
oct2156304
91074637
10580804
11367404
12240144
13174493
14111940
15b7154
hex8dcc4

580804 has 12 divisors (see below), whose sum is σ = 1161664. Its totient is φ = 248904.

The previous prime is 580793. The next prime is 580807. The reversal of 580804 is 408085.

580804 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (580807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10344 + ... + 10399.

2580804 is an apocalyptic number.

It is an amenable number.

580804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

580804 is a wasteful number, since it uses less digits than its factorization.

580804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754 (or 20752 counting only the distinct ones).

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

The square root of 580804 is about 762.1049796452. The cubic root of 580804 is about 83.4340258388.

Adding to 580804 its reverse (408085), we get a palindrome (988889).

The spelling of 580804 in words is "five hundred eighty thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 20743 41486 82972 145201 290402 580804