200190 has 16 divisors (see below), whose sum is σ = 480528. Its totient is φ = 53376.
The previous prime is 200183. The next prime is 200191. The reversal of 200190 is 91002.
It is a happy number.
It is a super-2 number, since 2×2001902 = 80152072200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200191) by changing a digit.
200190 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 7 ways as a sum of consecutive naturals, for example, 3307 + ... + 3366.
It is an arithmetic number, because the mean of its divisors is an integer number (30033).
2200190 is an apocalyptic number.
200190 is an abundant number, since it is smaller than the sum of its proper divisors (280338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200190 is a wasteful number, since it uses less digits than its factorization.
200190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6683.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 200190 is about 447.4259715305. The cubic root of 200190 is about 58.4988676821.
Adding to 200190 its reverse (91002), we get a palindrome (291192).
The spelling of 200190 in words is "two hundred thousand, one hundred ninety".
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