15000490 has 16 divisors (see below), whose sum is σ = 27045000. Its totient is φ = 5990400.

The previous prime is 15000487. The next prime is 15000499. The reversal of 15000490 is 9400051.

It can be written as a sum of positive squares in 4 ways, for example, as 6066369 + 8934121 = 2463^2 + 2989^2 .

It is not an unprimeable number, because it can be changed into a prime (15000499) 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, 11386 + ... + 12634.

Almost surely, 2^15000490 is an apocalyptic number.

15000490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15000490 is a deficient number, since it is larger than the sum of its proper divisors (12044510).

15000490 is a wasteful number, since it uses less digits than its factorization.

15000490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 15000490 is about 3873.0466044188. The cubic root of 15000490 is about 246.6238928347.

The spelling of 15000490 in words is "fifteen million, four hundred ninety", and thus it is an aban number.