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47958 = 237993
BaseRepresentation
bin1011101101010110
32102210020
423231112
53013313
61010010
7256551
oct135526
972706
1047958
1133039
1223906
1318aa1
1413698
15e323
hexbb56

47958 has 8 divisors (see below), whose sum is σ = 95928. Its totient is φ = 15984.

The previous prime is 47951. The next prime is 47963. The reversal of 47958 is 85974.

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

47958 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3991 + ... + 4002.

It is an arithmetic number, because the mean of its divisors is an integer number (11991).

247958 is an apocalyptic number.

47958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47964).

47958 is a wasteful number, since it uses less digits than its factorization.

47958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998.

The product of its digits is 10080, while the sum is 33.

The square root of 47958 is about 218.9931505778. The cubic root of 47958 is about 36.3318088934.

The spelling of 47958 in words is "forty-seven thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 7993 15986 23979 47958