199093 has 4 divisors (see below), whose sum is σ = 201420. Its totient is φ = 196768.
The previous prime is 199081. The next prime is 199103. The reversal of 199093 is 390991.
199093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 97969 + 101124 = 313^2 + 318^2 .
It is a cyclic number.
It is not a de Polignac number, because 199093 - 213 = 190901 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 1207.
It is an arithmetic number, because the mean of its divisors is an integer number (50355).
2199093 is an apocalyptic number.
It is an amenable number.
199093 is a deficient number, since it is larger than the sum of its proper divisors (2327).
199093 is an equidigital number, since it uses as much as digits as its factorization.
199093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2326.
The product of its (nonzero) digits is 2187, while the sum is 31.
The square root of 199093 is about 446.1983863709. The cubic root of 199093 is about 58.3918179880.
The spelling of 199093 in words is "one hundred ninety-nine thousand, ninety-three".
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