Search a number
-
+
50040043 = 65376631
BaseRepresentation
bin1011111011100…
…0110011101011
310111011022000221
42332320303223
5100302240133
64544310511
71145222224
oct276706353
9114138027
1050040043
1126278909
1214912437
13a4a06c1
14690824b
1545d6a2d
hex2fb8ceb

50040043 has 4 divisors (see below), whose sum is σ = 50117328. Its totient is φ = 49962760.

The previous prime is 50040017. The next prime is 50040059. The reversal of 50040043 is 34004005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50040043 - 221 = 47942891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50039999 and 50040026.

It is not an unprimeable number, because it can be changed into a prime (50040013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37663 + ... + 38968.

It is an arithmetic number, because the mean of its divisors is an integer number (12529332).

Almost surely, 250040043 is an apocalyptic number.

50040043 is a deficient number, since it is larger than the sum of its proper divisors (77285).

50040043 is an equidigital number, since it uses as much as digits as its factorization.

50040043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77284.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 50040043 is about 7073.8987128740. The cubic root of 50040043 is about 368.5014700707.

Adding to 50040043 its reverse (34004005), we get a palindrome (84044048).

The spelling of 50040043 in words is "fifty million, forty thousand, forty-three".

Divisors: 1 653 76631 50040043