15242430 has 48 divisors (see below), whose sum is σ = 42558480. Its totient is φ = 3483648.

The previous prime is 15242419. The next prime is 15242431. The reversal of 15242430 is 3424251.

15242430 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 15242397 and 15242406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242431) 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 23 ways as a sum of consecutive naturals, for example, 3715 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (886635).

Almost surely, 2^15242430 is an apocalyptic number.

15242430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15242430 is an abundant number, since it is smaller than the sum of its proper divisors (27316050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15242430 is a wasteful number, since it uses less digits than its factorization.

15242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393 (or 10386 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 15242430 is about 3904.1554784614. The cubic root of 15242430 is about 247.9427438929.

Adding to 15242430 its reverse (3424251), we get a palindrome (18666681).

The spelling of 15242430 in words is "fifteen million, two hundred forty-two thousand, four hundred thirty".