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553105443 = 31183201937
BaseRepresentation
bin100000111101111…
…011100000100011
31102112202200000210
4200331323200203
52113043333233
6130514545203
716464214212
oct4075734043
91375680023
10553105443
11264239340
12135298203
138a789b37
145365b079
1533858163
hex20f7b823

553105443 has 16 divisors (see below), whose sum is σ = 814214016. Its totient is φ = 331175040.

The previous prime is 553105381. The next prime is 553105453. The reversal of 553105443 is 344501355.

553105443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 553105443 - 212 = 553101347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553105443.

It is not an unprimeable number, because it can be changed into a prime (553105453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98230 + ... + 103707.

It is an arithmetic number, because the mean of its divisors is an integer number (50888376).

Almost surely, 2553105443 is an apocalyptic number.

553105443 is a deficient number, since it is larger than the sum of its proper divisors (261108573).

553105443 is a wasteful number, since it uses less digits than its factorization.

553105443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202034.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 553105443 is about 23518.1938719792. The cubic root of 553105443 is about 820.8604110685.

Adding to 553105443 its reverse (344501355), we get a palindrome (897606798).

The spelling of 553105443 in words is "five hundred fifty-three million, one hundred five thousand, four hundred forty-three".

Divisors: 1 3 11 33 83 249 913 2739 201937 605811 2221307 6663921 16760771 50282313 184368481 553105443