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47084 = 2279149
BaseRepresentation
bin1011011111101100
32101120212
423133230
53001314
61001552
7254162
oct133754
971525
1047084
1132414
12232b8
131857b
1413232
15de3e
hexb7ec

47084 has 12 divisors (see below), whose sum is σ = 84000. Its totient is φ = 23088.

The previous prime is 47059. The next prime is 47087. The reversal of 47084 is 48074.

It is not an unprimeable number, because it can be changed into a prime (47087) by changing a digit.

47084 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 242 + ... + 390.

It is an arithmetic number, because the mean of its divisors is an integer number (7000).

247084 is an apocalyptic number.

It is an amenable number.

47084 is a deficient number, since it is larger than the sum of its proper divisors (36916).

47084 is a wasteful number, since it uses less digits than its factorization.

47084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 47084 is about 216.9884789568. The cubic root of 47084 is about 36.1097473954.

Subtracting 47084 from its reverse (48074), we obtain a triangular number (990 = T44).

The spelling of 47084 in words is "forty-seven thousand, eighty-four".

Divisors: 1 2 4 79 149 158 298 316 596 11771 23542 47084