248930290 has 24 divisors (see below), whose sum is σ = 521230572. Its totient is φ = 85347360.

The previous prime is 248930249. The next prime is 248930291. The reversal of 248930290 is 92039842.

It can be written as a sum of positive squares in 2 ways, for example, as 233508961 + 15421329 = 15281^2 + 3927^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (248930291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253521 + ... + 254500.

Almost surely, 2^248930290 is an apocalyptic number.

248930290 is an abundant number, since it is smaller than the sum of its proper divisors (272300282).

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

248930290 is a wasteful number, since it uses less digits than its factorization.

248930290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508042 (or 508035 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 248930290 is about 15777.5248375656. The cubic root of 248930290 is about 629.0607402822.

The spelling of 248930290 in words is "two hundred forty-eight million, nine hundred thirty thousand, two hundred ninety".