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52143041 = 320916249
BaseRepresentation
bin1100011011101…
…0001111000001
310122010010210202
43012322033001
5101322034131
65101334545
71202131346
oct306721701
9118103722
1052143041
1127484925
1215567455
13aa58992
146cd47cd
15489ebcb
hex31ba3c1

52143041 has 4 divisors (see below), whose sum is σ = 52162500. Its totient is φ = 52123584.

The previous prime is 52143019. The next prime is 52143067. The reversal of 52143041 is 14034125.

52143041 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 30250000 + 21893041 = 5500^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 52143041 - 26 = 52142977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52143241) 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, 4916 + ... + 11333.

It is an arithmetic number, because the mean of its divisors is an integer number (13040625).

Almost surely, 252143041 is an apocalyptic number.

It is an amenable number.

52143041 is a deficient number, since it is larger than the sum of its proper divisors (19459).

52143041 is a wasteful number, since it uses less digits than its factorization.

52143041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19458.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52143041 is about 7221.0138484842. The cubic root of 52143041 is about 373.5930473000.

Adding to 52143041 its reverse (14034125), we get a palindrome (66177166).

The spelling of 52143041 in words is "fifty-two million, one hundred forty-three thousand, forty-one".

Divisors: 1 3209 16249 52143041