15480642 has 16 divisors (see below), whose sum is σ = 32782752. Its totient is φ = 4856640.

The previous prime is 15480637. The next prime is 15480643. The reversal of 15480642 is 24608451.

15480642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (15480643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75784 + ... + 75987.

It is an arithmetic number, because the mean of its divisors is an integer number (2048922).

Almost surely, 2^15480642 is an apocalyptic number.

15480642 is an abundant number, since it is smaller than the sum of its proper divisors (17302110).

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

15480642 is a wasteful number, since it uses less digits than its factorization.

15480642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151793.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 15480642 is about 3934.5447004704. The cubic root of 15480642 is about 249.2277073798.

The spelling of 15480642 in words is "fifteen million, four hundred eighty thousand, six hundred forty-two".