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50738439 = 316912813
BaseRepresentation
bin1100000110001…
…1010100000111
310112110210001110
43001203110013
5100442112224
65011300103
71154161323
oct301432407
9115423043
1050738439
11267055a4
1214baa633
13a68655b
146a4a983
1546c3929
hex3063507

50738439 has 4 divisors (see below), whose sum is σ = 67651256. Its totient is φ = 33825624.

The previous prime is 50738423. The next prime is 50738447. The reversal of 50738439 is 93483705.

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

It is not a de Polignac number, because 50738439 - 24 = 50738423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50738397 and 50738406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50738419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8456404 + ... + 8456409.

It is an arithmetic number, because the mean of its divisors is an integer number (16912814).

Almost surely, 250738439 is an apocalyptic number.

50738439 is a deficient number, since it is larger than the sum of its proper divisors (16912817).

50738439 is a wasteful number, since it uses less digits than its factorization.

50738439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16912816.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 50738439 is about 7123.0919550431. The cubic root of 50738439 is about 370.2079157703.

The spelling of 50738439 in words is "fifty million, seven hundred thirty-eight thousand, four hundred thirty-nine".

Divisors: 1 3 16912813 50738439