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5000185 = 51000037
BaseRepresentation
bin10011000100101111111001
3100102000222001
4103010233321
52240001220
6255101001
760333541
oct23045771
910360861
105000185
112905793
121811761
131060bb8
14942321
1568b80a
hex4c4bf9

5000185 has 4 divisors (see below), whose sum is σ = 6000228. Its totient is φ = 4000144.

The previous prime is 5000167. The next prime is 5000197. The reversal of 5000185 is 5810005.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3415104 + 1585081 = 1848^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000185 - 25 = 5000153 is a prime.

It is a Duffinian number.

5000185 is a modest number, since divided by 185 gives 5 as remainder.

5000185 is a lucky number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 500014 + ... + 500023.

It is an arithmetic number, because the mean of its divisors is an integer number (1500057).

Almost surely, 25000185 is an apocalyptic number.

It is an amenable number.

5000185 is a deficient number, since it is larger than the sum of its proper divisors (1000043).

5000185 is a wasteful number, since it uses less digits than its factorization.

5000185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000042.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 5000185 is about 2236.1093443747. The cubic root of 5000185 is about 170.9997036120. Note that the first 3 decimals are identical.

It can be divided in two parts, 50001 and 85, that added together give a triangular number (50086 = T316).

The spelling of 5000185 in words is "five million, one hundred eighty-five", and thus it is an aban number.

Divisors: 1 5 1000037 5000185