Search a number
-
+
2681142 = 232831579
BaseRepresentation
bin1010001110100100110110
312001012211120
422032210312
51141244032
6133244410
731534512
oct12164466
95035746
102681142
111571422
12a93706
1372b499
144db142
1537e62c
hex28e936

2681142 has 16 divisors (see below), whose sum is σ = 5384640. Its totient is φ = 889992.

The previous prime is 2681141. The next prime is 2681167. The reversal of 2681142 is 2411862.

2681142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (336540).

22681142 is an apocalyptic number.

2681142 is an abundant number, since it is smaller than the sum of its proper divisors (2703498).

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

2681142 is a wasteful number, since it uses less digits than its factorization.

2681142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867.

The product of its digits is 768, while the sum is 24.

The square root of 2681142 is about 1637.4193109891. The cubic root of 2681142 is about 138.9227181121.

The spelling of 2681142 in words is "two million, six hundred eighty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 283 566 849 1579 1698 3158 4737 9474 446857 893714 1340571 2681142