195850 has 12 divisors (see below), whose sum is σ = 364374. Its totient is φ = 78320.
The previous prime is 195817. The next prime is 195863. The reversal of 195850 is 58591.
It can be written as a sum of positive squares in 3 ways, for example, as 170569 + 25281 = 413^2 + 159^2 .
It is an unprimeable number.
195850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1909 + ... + 2008.
2195850 is an apocalyptic number.
195850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
195850 is a deficient number, since it is larger than the sum of its proper divisors (168524).
195850 is a wasteful number, since it uses less digits than its factorization.
195850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3929 (or 3924 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 28.
The square root of 195850 is about 442.5494322672. The cubic root of 195850 is about 58.0730352229.
The spelling of 195850 in words is "one hundred ninety-five thousand, eight hundred fifty".
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