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207199 is a prime number
BaseRepresentation
bin110010100101011111
3101112020001
4302211133
523112244
64235131
71522036
oct624537
9345201
10207199
11131743
129baa7
1373405
145571d
15415d4
hex3295f

207199 has 2 divisors, whose sum is σ = 207200. Its totient is φ = 207198.

The previous prime is 207197. The next prime is 207227. The reversal of 207199 is 991702.

It is an a-pointer prime, because the next prime (207227) can be obtained adding 207199 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 207199 - 21 = 207197 is a prime.

Together with 207197, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207191) 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, 103599 + 103600.

It is an arithmetic number, because the mean of its divisors is an integer number (103600).

2207199 is an apocalyptic number.

207199 is a deficient number, since it is larger than the sum of its proper divisors (1).

207199 is an equidigital number, since it uses as much as digits as its factorization.

207199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 207199 is about 455.1911686314. The cubic root of 207199 is about 59.1737671392.

It can be divided in two parts, 207 and 199, that added together give a triangular number (406 = T28).

The spelling of 207199 in words is "two hundred seven thousand, one hundred ninety-nine".