47256242 has 8 divisors (see below), whose sum is σ = 77328432. Its totient is φ = 21480100.

The previous prime is 47256199. The next prime is 47256257. The reversal of 47256242 is 24265274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 47256199 and 47256208.

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, 1073984 + ... + 1074027.

It is an arithmetic number, because the mean of its divisors is an integer number (9666054).

Almost surely, 2^47256242 is an apocalyptic number.

47256242 is a deficient number, since it is larger than the sum of its proper divisors (30072190).

47256242 is a wasteful number, since it uses less digits than its factorization.

47256242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148024.

The product of its digits is 26880, while the sum is 32.

The square root of 47256242 is about 6874.3175661297. The cubic root of 47256242 is about 361.5372586163.

The spelling of 47256242 in words is "forty-seven million, two hundred fifty-six thousand, two hundred forty-two".