2150280 has 128 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 518400.

The previous prime is 2150273. The next prime is 2150299. The reversal of 2150280 is 820512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11790 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2^2150280 is an apocalyptic number.

2150280 is a gapful number since it is divisible by the number (20) 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 2150280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931200).

2150280 is an abundant number, since it is smaller than the sum of its proper divisors (5712120).

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

2150280 is a wasteful number, since it uses less digits than its factorization.

2150280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2150280 is about 1466.3833059606. The cubic root of 2150280 is about 129.0718907018.

Adding to 2150280 its reverse (820512), we get a palindrome (2970792).

The spelling of 2150280 in words is "two million, one hundred fifty thousand, two hundred eighty".