15250980 has 48 divisors (see below), whose sum is σ = 43001280. Its totient is φ = 4038528.

The previous prime is 15250957. The next prime is 15250981. The reversal of 15250980 is 8905251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (15250981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8611 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^15250980 is an apocalyptic number.

15250980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15250980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21500640).

15250980 is an abundant number, since it is smaller than the sum of its proper divisors (27750300).

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

15250980 is a wasteful number, since it uses less digits than its factorization.

15250980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 15250980 is about 3905.2503120799. The cubic root of 15250980 is about 247.9890950807.

The spelling of 15250980 in words is "fifteen million, two hundred fifty thousand, nine hundred eighty".