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47938 = 2112179
BaseRepresentation
bin1011101101000010
32102202111
423231002
53013223
61005534
7256522
oct135502
972674
1047938
1133020
12238aa
1318a87
1413682
15e30d
hexbb42

47938 has 8 divisors (see below), whose sum is σ = 78480. Its totient is φ = 21780.

The previous prime is 47933. The next prime is 47939. The reversal of 47938 is 83974.

It is a happy number.

47938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47933) by changing a digit.

47938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (9810).

247938 is an apocalyptic number.

47938 is a deficient number, since it is larger than the sum of its proper divisors (30542).

47938 is a wasteful number, since it uses less digits than its factorization.

47938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192.

The product of its digits is 6048, while the sum is 31.

The square root of 47938 is about 218.9474822874. The cubic root of 47938 is about 36.3267576874.

The spelling of 47938 in words is "forty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 2179 4358 23969 47938