47248538 has 4 divisors (see below), whose sum is σ = 70872810. Its totient is φ = 23624268.

The previous prime is 47248517. The next prime is 47248543. The reversal of 47248538 is 83584274.

47248538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42289009 + 4959529 = 6503^2 + 2227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47248495 and 47248504.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11812133 + ... + 11812136.

Almost surely, 2^47248538 is an apocalyptic number.

47248538 is a deficient number, since it is larger than the sum of its proper divisors (23624272).

47248538 is a wasteful number, since it uses less digits than its factorization.

47248538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624271.

The product of its digits is 215040, while the sum is 41.

The square root of 47248538 is about 6873.7571967593. The cubic root of 47248538 is about 361.5176108810.

The spelling of 47248538 in words is "forty-seven million, two hundred forty-eight thousand, five hundred thirty-eight".