15000380 has 12 divisors (see below), whose sum is σ = 31500840. Its totient is φ = 6000144.

The previous prime is 15000361. The next prime is 15000389. The reversal of 15000380 is 8300051.

It is a super-2 number, since 2×15000380² = 450022800288800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15000389) 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 3 ways as a sum of consecutive naturals, for example, 374990 + ... + 375029.

It is an arithmetic number, because the mean of its divisors is an integer number (2625070).

Almost surely, 2^15000380 is an apocalyptic number.

15000380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15000380 is an abundant number, since it is smaller than the sum of its proper divisors (16500460).

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

15000380 is a wasteful number, since it uses less digits than its factorization.

15000380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750028 (or 750026 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15000380 is about 3873.0324036858. The cubic root of 15000380 is about 246.6232899945.

The spelling of 15000380 in words is "fifteen million, three hundred eighty", and thus it is an aban number.