193281056 has 24 divisors (see below), whose sum is σ = 393645420. Its totient is φ = 93307648.

The previous prime is 193281037. The next prime is 193281083. The reversal of 193281056 is 650182391.

193281056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 171191056 + 22090000 = 13084^2 + 4700^2 .

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, 103211 + ... + 105066.

Almost surely, 2^193281056 is an apocalyptic number.

193281056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

193281056 is an abundant number, since it is smaller than the sum of its proper divisors (200364364).

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

193281056 is a wasteful number, since it uses less digits than its factorization.

193281056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208316 (or 208308 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 193281056 is about 13902.5557362666. Note that the first 3 decimals coincide. The cubic root of 193281056 is about 578.1800423308.

The spelling of 193281056 in words is "one hundred ninety-three million, two hundred eighty-one thousand, fifty-six".