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198041 = 296829
BaseRepresentation
bin110000010110011001
3101001122212
4300112121
522314131
64124505
71453244
oct602631
9331585
10198041
11125878
1296735
136c1ac
145225b
153da2b
hex30599

198041 has 4 divisors (see below), whose sum is σ = 204900. Its totient is φ = 191184.

The previous prime is 198031. The next prime is 198043. The reversal of 198041 is 140891.

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 105625 + 92416 = 325^2 + 304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-198041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197998 and 198016.

It is not an unprimeable number, because it can be changed into a prime (198043) 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, 3386 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (51225).

2198041 is an apocalyptic number.

It is an amenable number.

198041 is a deficient number, since it is larger than the sum of its proper divisors (6859).

198041 is an equidigital number, since it uses as much as digits as its factorization.

198041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 198041 is about 445.0179771650. The cubic root of 198041 is about 58.2887895775.

The spelling of 198041 in words is "one hundred ninety-eight thousand, forty-one".

Divisors: 1 29 6829 198041