Search a number
-
+
43044061 = 371163353
BaseRepresentation
bin1010010000110…
…0110011011101
32222222212100111
42210030303131
542004402221
64134330021
71031603614
oct244146335
988885314
1043044061
112232a705
12124b9911
138bc1278
145a0687b
153ba3be1
hex290ccdd

43044061 has 4 divisors (see below), whose sum is σ = 44207452. Its totient is φ = 41880672.

The previous prime is 43044047. The next prime is 43044103. The reversal of 43044061 is 16044034.

It is a happy number.

43044061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16044034 = 28022017.

It can be written as a sum of positive squares in 2 ways, for example, as 27092025 + 15952036 = 5205^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 43044061 - 27 = 43043933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43044011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581640 + ... + 581713.

It is an arithmetic number, because the mean of its divisors is an integer number (11051863).

Almost surely, 243044061 is an apocalyptic number.

It is an amenable number.

43044061 is a deficient number, since it is larger than the sum of its proper divisors (1163391).

43044061 is a wasteful number, since it uses less digits than its factorization.

43044061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163390.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 43044061 is about 6560.7972838673. The cubic root of 43044061 is about 350.4594266029.

Adding to 43044061 its reverse (16044034), we get a palindrome (59088095).

The spelling of 43044061 in words is "forty-three million, forty-four thousand, sixty-one".

Divisors: 1 37 1163353 43044061