15000048 has 120 divisors (see below), whose sum is σ = 50139648. Its totient is φ = 4093056.

The previous prime is 15000031. The next prime is 15000053. The reversal of 15000048 is 84000051.

15000048 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22861 + ... + 23507.

Almost surely, 2^15000048 is an apocalyptic number.

15000048 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 15000048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25069824).

15000048 is an abundant number, since it is smaller than the sum of its proper divisors (35139600).

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

15000048 is a wasteful number, since it uses less digits than its factorization.

15000048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 15000048 is about 3872.9895429758. The cubic root of 15000048 is about 246.6214704954.

Adding to 15000048 its reverse (84000051), we get a palindrome (99000099).

The spelling of 15000048 in words is "fifteen million, forty-eight", and thus it is an aban number and an uban number.