193515242 has 8 divisors (see below), whose sum is σ = 290752896. Its totient is φ = 96597612.

The previous prime is 193515239. The next prime is 193515251. The reversal of 193515242 is 242515391.

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

It is a junction number, because it is equal to n+sod(n) for n = 193515199 and 193515208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78488 + ... + 80915.

It is an arithmetic number, because the mean of its divisors is an integer number (36344112).

Almost surely, 2^193515242 is an apocalyptic number.

193515242 is a deficient number, since it is larger than the sum of its proper divisors (97237654).

193515242 is a wasteful number, since it uses less digits than its factorization.

193515242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160012.

The product of its digits is 10800, while the sum is 32.

The square root of 193515242 is about 13910.9755948316. The cubic root of 193515242 is about 578.4134623828.

The spelling of 193515242 in words is "one hundred ninety-three million, five hundred fifteen thousand, two hundred forty-two".