15243030 has 96 divisors (see below), whose sum is σ = 43973280. Its totient is φ = 3632640.

The previous prime is 15243013. The next prime is 15243049. The reversal of 15243030 is 3034251.

15243030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 15242994 and 15243012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88024 + ... + 88196.

It is an arithmetic number, because the mean of its divisors is an integer number (458055).

Almost surely, 2^15243030 is an apocalyptic number.

15243030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15243030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21986640).

15243030 is an abundant number, since it is smaller than the sum of its proper divisors (28730250).

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

15243030 is a wasteful number, since it uses less digits than its factorization.

15243030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 15243030 is about 3904.2323189073. The cubic root of 15243030 is about 247.9459971732.

Adding to 15243030 its reverse (3034251), we get a palindrome (18277281).

It can be divided in two parts, 1524 and 3030, that added together give a palindrome (4554).

The spelling of 15243030 in words is "fifteen million, two hundred forty-three thousand, thirty".