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47087 is a prime number
BaseRepresentation
bin1011011111101111
32101120222
423133233
53001322
61001555
7254165
oct133757
971528
1047087
1132417
12232bb
1318581
1413235
15de42
hexb7ef

47087 has 2 divisors, whose sum is σ = 47088. Its totient is φ = 47086.

The previous prime is 47059. The next prime is 47093. The reversal of 47087 is 78074.

47087 is nontrivially palindromic in base 13.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47087 - 28 = 46831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23543 + 23544.

It is an arithmetic number, because the mean of its divisors is an integer number (23544).

247087 is an apocalyptic number.

47087 is a deficient number, since it is larger than the sum of its proper divisors (1).

47087 is an equidigital number, since it uses as much as digits as its factorization.

47087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 47087 is about 216.9953916561. The cubic root of 47087 is about 36.1105143009.

The spelling of 47087 in words is "forty-seven thousand, eighty-seven".