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4171 = 4397
BaseRepresentation
bin1000001001011
312201111
41001023
5113141
631151
715106
oct10113
95644
104171
113152
1224b7
131b8b
14173d
151381
hex104b

4171 has 4 divisors (see below), whose sum is σ = 4312. Its totient is φ = 4032.

The previous prime is 4159. The next prime is 4177. The reversal of 4171 is 1714.

Adding to 4171 its reverse (1714), we get a palindrome (5885).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1714 = 2857.

It is a cyclic number.

It is not a de Polignac number, because 4171 - 25 = 4139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6 + ... + 91.

It is an arithmetic number, because the mean of its divisors is an integer number (1078).

4171 is a deficient number, since it is larger than the sum of its proper divisors (141).

4171 is an equidigital number, since it uses as much as digits as its factorization.

4171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its digits is 28, while the sum is 13.

The square root of 4171 is about 64.5832795699. The cubic root of 4171 is about 16.0970661938.

The spelling of 4171 in words is "four thousand, one hundred seventy-one", and thus it is an iban number.

Divisors: 1 43 97 4171