15230242 has 8 divisors (see below), whose sum is σ = 22931100. Its totient is φ = 7586544.

The previous prime is 15230219. The next prime is 15230263. The reversal of 15230242 is 24203251.

It can be written as a sum of positive squares in 2 ways, for example, as 13905441 + 1324801 = 3729^2 + 1151^2 .

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

It is a nialpdrome in base 16.

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, 13617 + ... + 14692.

Almost surely, 2^15230242 is an apocalyptic number.

15230242 is a deficient number, since it is larger than the sum of its proper divisors (7700858).

15230242 is a wasteful number, since it uses less digits than its factorization.

15230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28580.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 15230242 is about 3902.5942653573. The cubic root of 15230242 is about 247.8766404353.

Adding to 15230242 its reverse (24203251), we get a palindrome (39433493).

The spelling of 15230242 in words is "fifteen million, two hundred thirty thousand, two hundred forty-two".