206241 has 24 divisors (see below), whose sum is σ = 339264. Its totient is φ = 110880.
The previous prime is 206237. The next prime is 206249. The reversal of 206241 is 142602.
It is not a de Polignac number, because 206241 - 22 = 206237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 206241.
It is not an unprimeable number, because it can be changed into a prime (206249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3351 + ... + 3411.
It is an arithmetic number, because the mean of its divisors is an integer number (14136).
2206241 is an apocalyptic number.
206241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
206241 is a deficient number, since it is larger than the sum of its proper divisors (133023).
206241 is a wasteful number, since it uses less digits than its factorization.
206241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 206241 is about 454.1376443326. The cubic root of 206241 is about 59.0824281176.
Adding to 206241 its reverse (142602), we get a palindrome (348843).
The spelling of 206241 in words is "two hundred six thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •