47996 has 18 divisors (see below), whose sum is σ = 92232. Its totient is φ = 21840.
The previous prime is 47981. The next prime is 48017. The reversal of 47996 is 69974.
It is a happy number.
It is a congruent number.
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 5 ways as a sum of consecutive naturals, for example, 641 + ... + 711.
It is an arithmetic number, because the mean of its divisors is an integer number (5124).
247996 is an apocalyptic number.
It is an amenable number.
47996 is a deficient number, since it is larger than the sum of its proper divisors (44236).
47996 is a wasteful number, since it uses less digits than its factorization.
47996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101 (or 86 counting only the distinct ones).
The product of its digits is 13608, while the sum is 35.
The square root of 47996 is about 219.0798941026. The cubic root of 47996 is about 36.3414023172.
Subtracting from 47996 its sum of digits (35), we obtain a square (47961 = 2192).
It can be divided in two parts, 479 and 96, that added together give a palindrome (575).
The spelling of 47996 in words is "forty-seven thousand, nine hundred ninety-six".
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