15630048 has 72 divisors (see below), whose sum is σ = 50804208. Its totient is φ = 4465152.

The previous prime is 15630029. The next prime is 15630059. The reversal of 15630048 is 84003651.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1861 + ... + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (705614).

Almost surely, 2^15630048 is an apocalyptic number.

15630048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15630048 is an abundant number, since it is smaller than the sum of its proper divisors (35174160).

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

15630048 is a wasteful number, since it uses less digits than its factorization.

15630048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7776 (or 7765 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 15630048 is about 3953.4855507514. The cubic root of 15630048 is about 250.0269197679.

Adding to 15630048 its reverse (84003651), we get a palindrome (99633699).

The spelling of 15630048 in words is "fifteen million, six hundred thirty thousand, forty-eight".