47911248 has 240 divisors, whose sum is σ = 174096000. Its totient is φ = 11934720.

The previous prime is 47911211. The next prime is 47911249. The reversal of 47911248 is 84211974.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911249) 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 47 ways as a sum of consecutive naturals, for example, 321478 + ... + 321626.

It is an arithmetic number, because the mean of its divisors is an integer number (725400).

Almost surely, 2^47911248 is an apocalyptic number.

47911248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47911248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87048000).

47911248 is an abundant number, since it is smaller than the sum of its proper divisors (126184752).

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

47911248 is a wasteful number, since it uses less digits than its factorization.

47911248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 201 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 47911248 is about 6921.7951428802. The cubic root of 47911248 is about 363.1999899733.

The spelling of 47911248 in words is "forty-seven million, nine hundred eleven thousand, two hundred forty-eight".