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199207 is a prime number
BaseRepresentation
bin110000101000100111
3101010021001
4300220213
522333312
64134131
71456531
oct605047
9333231
10199207
11126738
1297347
136c898
1452851
153e057
hex30a27

199207 has 2 divisors, whose sum is σ = 199208. Its totient is φ = 199206.

The previous prime is 199193. The next prime is 199211. The reversal of 199207 is 702991.

It is a strong prime.

It is an emirp because it is prime and its reverse (702991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199207 - 211 = 197159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99603 + 99604.

It is an arithmetic number, because the mean of its divisors is an integer number (99604).

2199207 is an apocalyptic number.

199207 is a deficient number, since it is larger than the sum of its proper divisors (1).

199207 is an equidigital number, since it uses as much as digits as its factorization.

199207 is an evil number, because the sum of its binary digits is even.

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

The square root of 199207 is about 446.3261139570. The cubic root of 199207 is about 58.4029608494.

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

The spelling of 199207 in words is "one hundred ninety-nine thousand, two hundred seven".