47831506 has 16 divisors (see below), whose sum is σ = 76554720. Its totient is φ = 22335040.

The previous prime is 47831473. The next prime is 47831507. The reversal of 47831506 is 60513874.

47831506 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (47831507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (4784670).

Almost surely, 2^47831506 is an apocalyptic number.

47831506 is a deficient number, since it is larger than the sum of its proper divisors (28723214).

47831506 is a wasteful number, since it uses less digits than its factorization.

47831506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10889.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 47831506 is about 6916.0325331797. The cubic root of 47831506 is about 362.9983784682.

The spelling of 47831506 in words is "forty-seven million, eight hundred thirty-one thousand, five hundred six".