15241428 has 72 divisors (see below), whose sum is σ = 40098240. Its totient is φ = 4878720.

The previous prime is 15241427. The next prime is 15241441. The reversal of 15241428 is 82414251.

It is a super-2 number, since 2×15241428² = 464602254958368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15241423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171208 + ... + 171296.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^15241428 is an apocalyptic number.

15241428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15241428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20049120).

15241428 is an abundant number, since it is smaller than the sum of its proper divisors (24856812).

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

15241428 is a wasteful number, since it uses less digits than its factorization.

15241428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 15241428 is about 3904.0271515449. The cubic root of 15241428 is about 247.9373107243.

Adding to 15241428 its reverse (82414251), we get a palindrome (97655679).

The spelling of 15241428 in words is "fifteen million, two hundred forty-one thousand, four hundred twenty-eight".