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50478685 = 529173461
BaseRepresentation
bin1100000010001…
…1111001011101
310111222120201221
43000203321131
5100410304220
65001533341
71152030115
oct300437135
9114876657
1050478685
1126548424
1214aa4251
13a5c525a
1469c0045
1546719aa
hex3023e5d

50478685 has 8 divisors (see below), whose sum is σ = 60612696. Its totient is φ = 40357440.

The previous prime is 50478683. The next prime is 50478739. The reversal of 50478685 is 58687405.

50478685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13060996 + 37417689 = 3614^2 + 6117^2 .

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

It is not a de Polignac number, because 50478685 - 21 = 50478683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50478683) 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 7 ways as a sum of consecutive naturals, for example, 12855 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (7576587).

Almost surely, 250478685 is an apocalyptic number.

It is an amenable number.

50478685 is a deficient number, since it is larger than the sum of its proper divisors (10134011).

50478685 is a wasteful number, since it uses less digits than its factorization.

50478685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 50478685 is about 7104.8353253260. The cubic root of 50478685 is about 369.5750782976.

The spelling of 50478685 in words is "fifty million, four hundred seventy-eight thousand, six hundred eighty-five".

Divisors: 1 5 2917 3461 14585 17305 10095737 50478685