198051 has 8 divisors (see below), whose sum is σ = 301824. Its totient is φ = 113160.
The previous prime is 198047. The next prime is 198073. The reversal of 198051 is 150891.
198051 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 198051 - 22 = 198047 is a prime.
198051 is strictly pandigital in base 7.
It is not an unprimeable number, because it can be changed into a prime (198031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4695 + ... + 4736.
It is an arithmetic number, because the mean of its divisors is an integer number (37728).
2198051 is an apocalyptic number.
198051 is a deficient number, since it is larger than the sum of its proper divisors (103773).
198051 is an equidigital number, since it uses as much as digits as its factorization.
198051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9441.
The product of its (nonzero) digits is 360, while the sum is 24.
The square root of 198051 is about 445.0292125243. The cubic root of 198051 is about 58.2897706506.
The spelling of 198051 in words is "one hundred ninety-eight thousand, fifty-one".
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