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20183 is a prime number
BaseRepresentation
bin100111011010111
31000200112
410323113
51121213
6233235
7112562
oct47327
930615
1020183
1114189
12b81b
139257
1474d9
155ea8
hex4ed7

20183 has 2 divisors, whose sum is σ = 20184. Its totient is φ = 20182.

The previous prime is 20177. The next prime is 20201. The reversal of 20183 is 38102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20183 - 28 = 19927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091 + 10092.

It is an arithmetic number, because the mean of its divisors is an integer number (10092).

220183 is an apocalyptic number.

20183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20183 is an equidigital number, since it uses as much as digits as its factorization.

20183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20183 is about 142.0668856560. The cubic root of 20183 is about 27.2267146704.

Adding to 20183 its reverse (38102), we get a palindrome (58285).

The spelling of 20183 in words is "twenty thousand, one hundred eighty-three".