15240230 has 8 divisors (see below), whose sum is σ = 27432432. Its totient is φ = 6096088.

The previous prime is 15240229. The next prime is 15240257. The reversal of 15240230 is 3204251.

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

It is a super-2 number, since 2×15240230² = 464529220905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15240199 and 15240208.

It is a congruent number.

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, 762002 + ... + 762021.

It is an arithmetic number, because the mean of its divisors is an integer number (3429054).

Almost surely, 2^15240230 is an apocalyptic number.

15240230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15240230 is a deficient number, since it is larger than the sum of its proper divisors (12192202).

15240230 is a wasteful number, since it uses less digits than its factorization.

15240230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524030.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 15240230 is about 3903.8737172199. The cubic root of 15240230 is about 247.9308144677.

Adding to 15240230 its reverse (3204251), we get a palindrome (18444481).

The spelling of 15240230 in words is "fifteen million, two hundred forty thousand, two hundred thirty".