Search a number
-
+
5665844 = 221416461
BaseRepresentation
bin10101100111010000110100
3101122212002002
4111213100310
52422301334
6321234432
766105332
oct25472064
911585062
105665844
11321a918
121a92a18
131234b92
14a76b52
1576db7e
hex567434

5665844 has 6 divisors (see below), whose sum is σ = 9915234. Its totient is φ = 2832920.

The previous prime is 5665837. The next prime is 5665853. The reversal of 5665844 is 4485665.

It can be written as a sum of positive squares in only one way, i.e., 5664400 + 1444 = 2380^2 + 38^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5665798 and 5665807.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 708227 + ... + 708234.

It is an arithmetic number, because the mean of its divisors is an integer number (1652539).

Almost surely, 25665844 is an apocalyptic number.

It is an amenable number.

5665844 is a deficient number, since it is larger than the sum of its proper divisors (4249390).

5665844 is a wasteful number, since it uses less digits than its factorization.

5665844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416465 (or 1416463 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 5665844 is about 2380.3033420134. The cubic root of 5665844 is about 178.2740801390.

The spelling of 5665844 in words is "five million, six hundred sixty-five thousand, eight hundred forty-four".

Divisors: 1 2 4 1416461 2832922 5665844