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47189 is a prime number
BaseRepresentation
bin1011100001010101
32101201202
423201111
53002224
61002245
7254402
oct134125
971652
1047189
11324aa
1223385
131862c
14132a9
15deae
hexb855

47189 has 2 divisors, whose sum is σ = 47190. Its totient is φ = 47188.

The previous prime is 47161. The next prime is 47207. The reversal of 47189 is 98174.

47189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47089 + 100 = 217^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 47189 - 28 = 46933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23594 + 23595.

It is an arithmetic number, because the mean of its divisors is an integer number (23595).

247189 is an apocalyptic number.

It is an amenable number.

47189 is a deficient number, since it is larger than the sum of its proper divisors (1).

47189 is an equidigital number, since it uses as much as digits as its factorization.

47189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 47189 is about 217.2302925469. The cubic root of 47189 is about 36.1365697308.

The spelling of 47189 in words is "forty-seven thousand, one hundred eighty-nine".