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556429 = 599431
BaseRepresentation
bin10000111110110001101
31001021021111
42013312031
5120301204
615532021
74505146
oct2076615
91037244
10556429
11350065
1222a011
13166363
14106acd
15aed04
hex87d8d

556429 has 4 divisors (see below), whose sum is σ = 565920. Its totient is φ = 546940.

The previous prime is 556403. The next prime is 556441. The reversal of 556429 is 924655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556429 - 219 = 32141 is a prime.

It is a super-3 number, since 3×5564293 = 516833343274024767, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

556429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 556429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556459) 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 3 ways as a sum of consecutive naturals, for example, 4657 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (141480).

2556429 is an apocalyptic number.

556429 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

556429 is a deficient number, since it is larger than the sum of its proper divisors (9491).

556429 is an equidigital number, since it uses as much as digits as its factorization.

556429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490.

The product of its digits is 10800, while the sum is 31.

The square root of 556429 is about 745.9416867289. The cubic root of 556429 is about 82.2501285709.

The spelling of 556429 in words is "five hundred fifty-six thousand, four hundred twenty-nine".

Divisors: 1 59 9431 556429