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41445013 = 193214741
BaseRepresentation
bin1001111000011…
…0011010010101
32212222121212111
42132012122111
541102220023
64040151021
71012163641
oct236063225
985877774
1041445013
1121438285
1211a68471
13878149c
14570bc21
15398a00d
hex2786695

41445013 has 4 divisors (see below), whose sum is σ = 41659948. Its totient is φ = 41230080.

The previous prime is 41444999. The next prime is 41445049. The reversal of 41445013 is 31054414.

41445013 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6185169 + 35259844 = 2487^2 + 5938^2 .

It is a cyclic number.

It is not a de Polignac number, because 41445013 - 25 = 41444981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41445083) 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, 107178 + ... + 107563.

It is an arithmetic number, because the mean of its divisors is an integer number (10414987).

Almost surely, 241445013 is an apocalyptic number.

It is an amenable number.

41445013 is a deficient number, since it is larger than the sum of its proper divisors (214935).

41445013 is a wasteful number, since it uses less digits than its factorization.

41445013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214934.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 41445013 is about 6437.7801298274. The cubic root of 41445013 is about 346.0647995845.

Adding to 41445013 its reverse (31054414), we get a palindrome (72499427).

The spelling of 41445013 in words is "forty-one million, four hundred forty-five thousand, thirteen".

Divisors: 1 193 214741 41445013