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50813385 = 357483937
BaseRepresentation
bin1100000111010…
…1100111001001
310112121120212020
43001311213021
5101002012020
65013035053
71154622660
oct301654711
9115546766
1050813385
1126756937
1215025a89
13a6b16bc
146a69dd7
1546dac40
hex30759c9

50813385 has 16 divisors (see below), whose sum is σ = 92916096. Its totient is φ = 23228928.

The previous prime is 50813383. The next prime is 50813431. The reversal of 50813385 is 58331805.

50813385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50813385 - 21 = 50813383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50813381) 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 15 ways as a sum of consecutive naturals, for example, 241864 + ... + 242073.

It is an arithmetic number, because the mean of its divisors is an integer number (5807256).

Almost surely, 250813385 is an apocalyptic number.

It is an amenable number.

50813385 is a deficient number, since it is larger than the sum of its proper divisors (42102711).

50813385 is a wasteful number, since it uses less digits than its factorization.

50813385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483952.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 50813385 is about 7128.3507910315. The cubic root of 50813385 is about 370.3901047454.

The spelling of 50813385 in words is "fifty million, eight hundred thirteen thousand, three hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 483937 1451811 2419685 3387559 7259055 10162677 16937795 50813385