248724280 has 64 divisors (see below), whose sum is σ = 677211840. Its totient is φ = 80259072.

The previous prime is 248724251. The next prime is 248724299. The reversal of 248724280 is 82427842.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21367 + ... + 30886.

It is an arithmetic number, because the mean of its divisors is an integer number (10581435).

Almost surely, 2^248724280 is an apocalyptic number.

248724280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248724280 is an abundant number, since it is smaller than the sum of its proper divisors (428487560).

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

248724280 is a wasteful number, since it uses less digits than its factorization.

248724280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52288 (or 52284 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 248724280 is about 15770.9948956938. The cubic root of 248724280 is about 628.8871594655.

The spelling of 248724280 in words is "two hundred forty-eight million, seven hundred twenty-four thousand, two hundred eighty".