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584421 = 31910253
BaseRepresentation
bin10001110101011100101
31002200200020
42032223211
5122200141
620305353
74652565
oct2165345
91080606
10584421
1136a0a2
12242259
13176016
14112da5
15b8266
hex8eae5

584421 has 8 divisors (see below), whose sum is σ = 820320. Its totient is φ = 369072.

The previous prime is 584417. The next prime is 584429. The reversal of 584421 is 124485.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 584421 - 22 = 584417 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 584391 and 584400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (584429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070 + ... + 5183.

It is an arithmetic number, because the mean of its divisors is an integer number (102540).

2584421 is an apocalyptic number.

It is an amenable number.

584421 is a deficient number, since it is larger than the sum of its proper divisors (235899).

584421 is a wasteful number, since it uses less digits than its factorization.

584421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10275.

The product of its digits is 1280, while the sum is 24.

The square root of 584421 is about 764.4743291962. The cubic root of 584421 is about 83.6068647400.

The spelling of 584421 in words is "five hundred eighty-four thousand, four hundred twenty-one".

Divisors: 1 3 19 57 10253 30759 194807 584421