208540048 has 20 divisors (see below), whose sum is σ = 425312560. Its totient is φ = 98781984.

The previous prime is 208540021. The next prime is 208540051. The reversal of 208540048 is 840045802.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 342690 + ... + 343297.

It is an arithmetic number, because the mean of its divisors is an integer number (21265628).

Almost surely, 2^208540048 is an apocalyptic number.

It is an amenable number.

208540048 is an abundant number, since it is smaller than the sum of its proper divisors (216772512).

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

208540048 is a wasteful number, since it uses less digits than its factorization.

208540048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686014 (or 686008 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 208540048 is about 14440.9157604357. The cubic root of 208540048 is about 593.0115558056.

The spelling of 208540048 in words is "two hundred eight million, five hundred forty thousand, forty-eight".