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199192529 is a prime number
BaseRepresentation
bin10111101111101…
…10111111010001
3111212211000210002
423313312333101
5401443130104
631433215345
74636052144
oct1367667721
9455730702
10199192529
11a2491328
1256861555
1332363903
141c65205b
151274a01e
hexbdf6fd1

199192529 has 2 divisors, whose sum is σ = 199192530. Its totient is φ = 199192528.

The previous prime is 199192481. The next prime is 199192531. The reversal of 199192529 is 925291991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147064129 + 52128400 = 12127^2 + 7220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-199192529 is a prime.

Together with 199192531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199192549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99596264 + 99596265.

It is an arithmetic number, because the mean of its divisors is an integer number (99596265).

Almost surely, 2199192529 is an apocalyptic number.

It is an amenable number.

199192529 is a deficient number, since it is larger than the sum of its proper divisors (1).

199192529 is an equidigital number, since it uses as much as digits as its factorization.

199192529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 131220, while the sum is 47.

The square root of 199192529 is about 14113.5583394125. The cubic root of 199192529 is about 584.0154662586.

The spelling of 199192529 in words is "one hundred ninety-nine million, one hundred ninety-two thousand, five hundred twenty-nine".