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200171 is a prime number
BaseRepresentation
bin110000110111101011
3101011120202
4300313223
522401141
64142415
71462406
oct606753
9334522
10200171
11127434
1297a0b
137015a
1452d3d
153e49b
hex30deb

200171 has 2 divisors, whose sum is σ = 200172. Its totient is φ = 200170.

The previous prime is 200159. The next prime is 200177. The reversal of 200171 is 171002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100085 + 100086.

It is an arithmetic number, because the mean of its divisors is an integer number (100086).

2200171 is an apocalyptic number.

200171 is a deficient number, since it is larger than the sum of its proper divisors (1).

200171 is an equidigital number, since it uses as much as digits as its factorization.

200171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 200171 is about 447.4047384640. The cubic root of 200171 is about 58.4970169176.

Adding to 200171 its reverse (171002), we get a palindrome (371173).

The spelling of 200171 in words is "two hundred thousand, one hundred seventy-one", and thus it is an iban number.