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5641844 = 2213108497
BaseRepresentation
bin10101100001011001110100
3101121122011012
4111201121310
52421014334
6320531352
765645345
oct25413164
911548135
105641844
11320388a
121a80b58
131226c90
14a6c0cc
157669ce
hex561674

5641844 has 12 divisors (see below), whose sum is σ = 10632804. Its totient is φ = 2603904.

The previous prime is 5641843. The next prime is 5641847. The reversal of 5641844 is 4481465.

It can be written as a sum of positive squares in 2 ways, for example, as 3648100 + 1993744 = 1910^2 + 1412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5641844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641843) 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, 54197 + ... + 54300.

It is an arithmetic number, because the mean of its divisors is an integer number (886067).

Almost surely, 25641844 is an apocalyptic number.

It is an amenable number.

5641844 is a deficient number, since it is larger than the sum of its proper divisors (4990960).

5641844 is a wasteful number, since it uses less digits than its factorization.

5641844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108514 (or 108512 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 5641844 is about 2375.2566177152. The cubic root of 5641844 is about 178.0220062848.

The spelling of 5641844 in words is "five million, six hundred forty-one thousand, eight hundred forty-four".

Divisors: 1 2 4 13 26 52 108497 216994 433988 1410461 2820922 5641844