47748148 has 18 divisors (see below), whose sum is σ = 97201986. Its totient is φ = 20463408.

The previous prime is 47748143. The next prime is 47748191. The reversal of 47748148 is 84184774.

It can be written as a sum of positive squares in only one way, i.e., 44782864 + 2965284 = 6692^2 + 1722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47748143) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 121611 + ... + 122002.

Almost surely, 2^47748148 is an apocalyptic number.

It is an amenable number.

47748148 is an abundant number, since it is smaller than the sum of its proper divisors (49453838).

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

47748148 is a wasteful number, since it uses less digits than its factorization.

47748148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243631 (or 243622 counting only the distinct ones).

The product of its digits is 200704, while the sum is 43.

The square root of 47748148 is about 6910.0034732263. The cubic root of 47748148 is about 362.7873849469.

The spelling of 47748148 in words is "forty-seven million, seven hundred forty-eight thousand, one hundred forty-eight".