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50242431 = 316747477
BaseRepresentation
bin1011111110101…
…0001101111111
310111112120122210
42333222031333
5100330224211
64552511503
71150024251
oct277521577
9114476583
1050242431
11263a6978
12149ab593
13a541865
14695bcd1
1546269a6
hex2fea37f

50242431 has 4 divisors (see below), whose sum is σ = 66989912. Its totient is φ = 33494952.

The previous prime is 50242417. The next prime is 50242433. The reversal of 50242431 is 13424205.

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

It is not a de Polignac number, because 50242431 - 27 = 50242303 is a prime.

It is a super-2 number, since 2×502424312 = 5048603745579522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50242398 and 50242407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50242433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8373736 + ... + 8373741.

It is an arithmetic number, because the mean of its divisors is an integer number (16747478).

Almost surely, 250242431 is an apocalyptic number.

50242431 is a deficient number, since it is larger than the sum of its proper divisors (16747481).

50242431 is a wasteful number, since it uses less digits than its factorization.

50242431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747480.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 50242431 is about 7088.1895431767. The cubic root of 50242431 is about 368.9976057600.

Adding to 50242431 its reverse (13424205), we get a palindrome (63666636).

The spelling of 50242431 in words is "fifty million, two hundred forty-two thousand, four hundred thirty-one".

Divisors: 1 3 16747477 50242431