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50385 = 353359
BaseRepresentation
bin1100010011010001
32120010010
430103101
53103020
61025133
7266616
oct142321
976103
1050385
1134945
12251a9
1319c1a
141450d
15ede0
hexc4d1

50385 has 8 divisors (see below), whose sum is σ = 80640. Its totient is φ = 26864.

The previous prime is 50383. The next prime is 50387. The reversal of 50385 is 58305.

It can be divided in two parts, 50 and 385, that added together give a triangular number (435 = T29).

It is an interprime number because it is at equal distance from previous prime (50383) and next prime (50387).

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 50385 - 21 = 50383 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50383) 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, 1665 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (10080).

250385 is an apocalyptic number.

It is an amenable number.

50385 is a deficient number, since it is larger than the sum of its proper divisors (30255).

50385 is a wasteful number, since it uses less digits than its factorization.

50385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50385 is about 224.4660330651. The cubic root of 50385 is about 36.9346301320.

The spelling of 50385 in words is "fifty thousand, three hundred eighty-five".

Divisors: 1 3 5 15 3359 10077 16795 50385