15109930 has 16 divisors (see below), whose sum is σ = 29670624. Its totient is φ = 5494480.

The previous prime is 15109909. The next prime is 15109931. The reversal of 15109930 is 3990151.

It is not an unprimeable number, because it can be changed into a prime (15109931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68572 + ... + 68791.

It is an arithmetic number, because the mean of its divisors is an integer number (1854414).

Almost surely, 2^15109930 is an apocalyptic number.

15109930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15109930 is a deficient number, since it is larger than the sum of its proper divisors (14560694).

15109930 is a wasteful number, since it uses less digits than its factorization.

15109930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137381.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 15109930 is about 3887.1493410982. The cubic root of 15109930 is about 247.2222098407. Note that the first 4 decimals are identical.

The spelling of 15109930 in words is "fifteen million, one hundred nine thousand, nine hundred thirty".