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3140 = 225157
BaseRepresentation
bin110001000100
311022022
4301010
5100030
622312
712104
oct6104
94268
103140
1123a5
121998
131577
141204
15de5
hexc44

3140 has 12 divisors (see below), whose sum is σ = 6636. Its totient is φ = 1248.

The previous prime is 3137. The next prime is 3163. The reversal of 3140 is 413.

Adding to 3140 its reverse (413), we get a palindrome (3553).

It can be written as a sum of positive squares in 2 ways, for example, as 1024 + 2116 = 32^2 + 46^2 .

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 98.

It is an arithmetic number, because the mean of its divisors is an integer number (553).

It is an amenable number.

3140 is an abundant number, since it is smaller than the sum of its proper divisors (3496).

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 (3318).

3140 is a wasteful number, since it uses less digits than its factorization.

3140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3140 is about 56.0357029045. The cubic root of 3140 is about 14.6434435050.

The spelling of 3140 in words is "three thousand, one hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140