15050090 has 48 divisors (see below), whose sum is σ = 31272480. Its totient is φ = 5171040.

The previous prime is 15050081. The next prime is 15050107. The reversal of 15050090 is 9005051.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 39521 + ... + 39899.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 2^15050090 is an apocalyptic number.

15050090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15050090 is an abundant number, since it is smaller than the sum of its proper divisors (16222390).

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

15050090 is a wasteful number, since it uses less digits than its factorization.

15050090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 15050090 is about 3879.4445478702. Note that the first 3 decimals coincide. The cubic root of 15050090 is about 246.8954192372.

The spelling of 15050090 in words is "fifteen million, fifty thousand, ninety".