Search a number
-
+
3860 = 225193
BaseRepresentation
bin111100010100
312021222
4330110
5110420
625512
714153
oct7424
95258
103860
11299a
122298
1319ac
14159a
151225
hexf14

3860 has 12 divisors (see below), whose sum is σ = 8148. Its totient is φ = 1536.

The previous prime is 3853. The next prime is 3863. The reversal of 3860 is 683.

Adding to 3860 its product of nonzero digits (144), we get a palindrome (4004).

It is a happy number.

3860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1156 + 2704 = 34^2 + 52^2 .

It is a plaindrome in base 11, base 13, base 14 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3860.

It is not an unprimeable number, because it can be changed into a prime (3863) by changing a digit.

3860 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, 77 + ... + 116.

It is an arithmetic number, because the mean of its divisors is an integer number (679).

23860 is an apocalyptic number.

It is an amenable number.

3860 is an abundant number, since it is smaller than the sum of its proper divisors (4288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4074).

3860 is a wasteful number, since it uses less digits than its factorization.

3860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3860 is about 62.1288982680. The cubic root of 3860 is about 15.6866100827.

The spelling of 3860 in words is "three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860