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206390383 is a prime number
BaseRepresentation
bin11000100110101…
…00010001101111
3112101100201101021
430103110101233
5410313443013
632251355011
75054201143
oct1423242157
9471321337
10206390383
11a6558171
1259152a67
13339b3bb4
141d5a7223
15131bca8d
hexc4d446f

206390383 has 2 divisors, whose sum is σ = 206390384. Its totient is φ = 206390382.

The previous prime is 206390347. The next prime is 206390413. The reversal of 206390383 is 383093602.

206390383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206390383 - 217 = 206259311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206390333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103195191 + 103195192.

It is an arithmetic number, because the mean of its divisors is an integer number (103195192).

Almost surely, 2206390383 is an apocalyptic number.

206390383 is a deficient number, since it is larger than the sum of its proper divisors (1).

206390383 is an equidigital number, since it uses as much as digits as its factorization.

206390383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 206390383 is about 14366.2932936788. The cubic root of 206390383 is about 590.9668939496.

The spelling of 206390383 in words is "two hundred six million, three hundred ninety thousand, three hundred eighty-three".