15240430 has 16 divisors (see below), whose sum is σ = 27617184. Its totient is φ = 6055200.

The previous prime is 15240427. The next prime is 15240431. The reversal of 15240430 is 3404251.

It is a junction number, because it is equal to n+sod(n) for n = 15240398 and 15240407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3537 + ... + 6556.

It is an arithmetic number, because the mean of its divisors is an integer number (1726074).

Almost surely, 2^15240430 is an apocalyptic number.

15240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15240430 is a deficient number, since it is larger than the sum of its proper divisors (12376754).

15240430 is a wasteful number, since it uses less digits than its factorization.

15240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251.

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

The square root of 15240430 is about 3903.8993327185. The cubic root of 15240430 is about 247.9318990084.

Adding to 15240430 its reverse (3404251), we get a palindrome (18644681).

The spelling of 15240430 in words is "fifteen million, two hundred forty thousand, four hundred thirty".