217263048 has 16 divisors (see below), whose sum is σ = 543157680. Its totient is φ = 72421008.

The previous prime is 217263031. The next prime is 217263049. The reversal of 217263048 is 840362712.

217263048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (217263049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4526290 + ... + 4526337.

It is an arithmetic number, because the mean of its divisors is an integer number (33947355).

Almost surely, 2^217263048 is an apocalyptic number.

It is an amenable number.

217263048 is an abundant number, since it is smaller than the sum of its proper divisors (325894632).

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

217263048 is a wasteful number, since it uses less digits than its factorization.

217263048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052636 (or 9052632 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 217263048 is about 14739.8455894219. The cubic root of 217263048 is about 601.1672167582.

The spelling of 217263048 in words is "two hundred seventeen million, two hundred sixty-three thousand, forty-eight".