47821256 has 24 divisors (see below), whose sum is σ = 104304870. Its totient is φ = 20494656.

The previous prime is 47821253. The next prime is 47821283. The reversal of 47821256 is 65212874.

47821256 is digitally balanced in base 2, 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 only one way, i.e., 43112356 + 4708900 = 6566^2 + 2170^2 .

It is not an unprimeable number, because it can be changed into a prime (47821253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60605 + ... + 61388.

Almost surely, 2^47821256 is an apocalyptic number.

It is an amenable number.

47821256 is an abundant number, since it is smaller than the sum of its proper divisors (56483614).

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

47821256 is a wasteful number, since it uses less digits than its factorization.

47821256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122013 (or 122002 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 47821256 is about 6915.2914616811. The cubic root of 47821256 is about 362.9724471697.

The spelling of 47821256 in words is "forty-seven million, eight hundred twenty-one thousand, two hundred fifty-six".