Search a number
-
+
50989313 = 471975507
BaseRepresentation
bin1100001010000…
…0100100000001
310112221112012002
43002200210001
5101023124223
65020513345
71156254614
oct302404401
9115845162
1050989313
1126867031
12150ab855
13a7437bb
146ab417b
154722e28
hex30a0901

50989313 has 8 divisors (see below), whose sum is σ = 52348032. Its totient is φ = 49642096.

The previous prime is 50989297. The next prime is 50989319. The reversal of 50989313 is 31398905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50989313 - 24 = 50989297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50989319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6506 + ... + 12012.

It is an arithmetic number, because the mean of its divisors is an integer number (6543504).

Almost surely, 250989313 is an apocalyptic number.

It is an amenable number.

50989313 is a deficient number, since it is larger than the sum of its proper divisors (1358719).

50989313 is a wasteful number, since it uses less digits than its factorization.

50989313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5751.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 50989313 is about 7140.6801496776. The cubic root of 50989313 is about 370.8170718563.

The spelling of 50989313 in words is "fifty million, nine hundred eighty-nine thousand, three hundred thirteen".

Divisors: 1 47 197 5507 9259 258829 1084879 50989313