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580428 = 223223701
BaseRepresentation
bin10001101101101001100
31002111012100
42031231030
5122033203
620235100
74635132
oct2155514
91074170
10580428
113670a2
1223ba90
13174264
14111752
15b6ea3
hex8db4c

580428 has 36 divisors (see below), whose sum is σ = 1533168. Its totient is φ = 184800.

The previous prime is 580417. The next prime is 580471. The reversal of 580428 is 824085.

580428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2580428 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 580428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766584).

580428 is an abundant number, since it is smaller than the sum of its proper divisors (952740).

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

580428 is a wasteful number, since it uses less digits than its factorization.

580428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 580428 is about 761.8582545330. The cubic root of 580428 is about 83.4160174884.

It can be divided in two parts, 5804 and 28, that added together give a cube (5832 = 183).

The spelling of 580428 in words is "five hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 701 828 1402 2103 2804 4206 6309 8412 12618 16123 25236 32246 48369 64492 96738 145107 193476 290214 580428