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558085 = 51173139
BaseRepresentation
bin10001000010000000101
31001100112211
42020100011
5120324320
615543421
74513033
oct2102005
91040484
10558085
11351330
1222ab71
13167038
14107553
15b055a
hex88405

558085 has 16 divisors (see below), whose sum is σ = 745920. Its totient is φ = 397440.

The previous prime is 558083. The next prime is 558091. The reversal of 558085 is 580855.

It is a happy number.

It is not a de Polignac number, because 558085 - 21 = 558083 is a prime.

It is a super-2 number, since 2×5580852 = 622917734450, which contains 22 as substring.

558085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (46620).

2558085 is an apocalyptic number.

558085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

558085 is a deficient number, since it is larger than the sum of its proper divisors (187835).

558085 is a wasteful number, since it uses less digits than its factorization.

558085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 558085 is about 747.0508684153. The cubic root of 558085 is about 82.3316432019.

It can be divided in two parts, 5580 and 85, that added together give a palindrome (5665).

The spelling of 558085 in words is "five hundred fifty-eight thousand, eighty-five".

Divisors: 1 5 11 55 73 139 365 695 803 1529 4015 7645 10147 50735 111617 558085