15282990 has 48 divisors (see below), whose sum is σ = 40592448. Its totient is φ = 3987648.

The previous prime is 15282977. The next prime is 15282997. The reversal of 15282990 is 9928251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15282997) 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 23 ways as a sum of consecutive naturals, for example, 2424 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (845676).

Almost surely, 2^15282990 is an apocalyptic number.

15282990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15282990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20296224).

15282990 is an abundant number, since it is smaller than the sum of its proper divisors (25309458).

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

15282990 is a wasteful number, since it uses less digits than its factorization.

15282990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673 (or 3670 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 15282990 is about 3909.3464927018. The cubic root of 15282990 is about 248.1624737459.

The spelling of 15282990 in words is "fifteen million, two hundred eighty-two thousand, nine hundred ninety".