206351242 has 8 divisors (see below), whose sum is σ = 309733632. Its totient is φ = 103106700.

The previous prime is 206351231. The next prime is 206351263. The reversal of 206351242 is 242153602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30634 + ... + 36757.

It is an arithmetic number, because the mean of its divisors is an integer number (38716704).

Almost surely, 2^206351242 is an apocalyptic number.

206351242 is a deficient number, since it is larger than the sum of its proper divisors (103382390).

206351242 is a wasteful number, since it uses less digits than its factorization.

206351242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68924.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 206351242 is about 14364.9309779059. The cubic root of 206351242 is about 590.9295335241.

The spelling of 206351242 in words is "two hundred six million, three hundred fifty-one thousand, two hundred forty-two".