Search a number
-
+
2138084 = 221341117
BaseRepresentation
bin1000001001111111100100
311000121220022
420021333210
51021404314
6113454312
724113324
oct10117744
94017808
102138084
111230413
12871398
1359b250
143d9284
152c378e
hex209fe4

2138084 has 12 divisors (see below), whose sum is σ = 4029564. Its totient is φ = 986784.

The previous prime is 2138033. The next prime is 2138093. The reversal of 2138084 is 4808312.

2138084 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 861184 + 1276900 = 928^2 + 1130^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20507 + ... + 20610.

It is an arithmetic number, because the mean of its divisors is an integer number (335797).

22138084 is an apocalyptic number.

It is an amenable number.

2138084 is a deficient number, since it is larger than the sum of its proper divisors (1891480).

2138084 is a wasteful number, since it uses less digits than its factorization.

2138084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41134 (or 41132 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2138084 is about 1462.2188618671. The cubic root of 2138084 is about 128.8274037341.

The spelling of 2138084 in words is "two million, one hundred thirty-eight thousand, eighty-four".

Divisors: 1 2 4 13 26 52 41117 82234 164468 534521 1069042 2138084