47493 has 8 divisors (see below), whose sum is σ = 70400. Its totient is φ = 31644.
The previous prime is 47491. The next prime is 47497. The reversal of 47493 is 39474.
47493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47493 - 21 = 47491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1759 = 47493 / (4 + 7 + 4 + 9 + 3).
It is a Duffinian number.
It is a plaindrome in base 12 and base 14.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47491) 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, 853 + ... + 906.
It is an arithmetic number, because the mean of its divisors is an integer number (8800).
247493 is an apocalyptic number.
It is an amenable number.
47493 is a deficient number, since it is larger than the sum of its proper divisors (22907).
47493 is a wasteful number, since it uses less digits than its factorization.
47493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1768 (or 1762 counting only the distinct ones).
The product of its digits is 3024, while the sum is 27.
The square root of 47493 is about 217.9288874840. The cubic root of 47493 is about 36.2140031089.
The spelling of 47493 in words is "forty-seven thousand, four hundred ninety-three".
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