15115030 has 48 divisors (see below), whose sum is σ = 32052240. Its totient is φ = 5116608.

The previous prime is 15115027. The next prime is 15115031. The reversal of 15115030 is 3051151.

15115030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15114995 and 15115013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15115031) 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, 53269 + ... + 53551.

It is an arithmetic number, because the mean of its divisors is an integer number (667755).

Almost surely, 2^15115030 is an apocalyptic number.

15115030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15115030 is an abundant number, since it is smaller than the sum of its proper divisors (16937210).

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

15115030 is a wasteful number, since it uses less digits than its factorization.

15115030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 15115030 is about 3887.8052934786. The cubic root of 15115030 is about 247.2500213845.

Adding to 15115030 its reverse (3051151), we get a palindrome (18166181).

The spelling of 15115030 in words is "fifteen million, one hundred fifteen thousand, thirty".