Search a number
-
+
2133215 = 5728707
BaseRepresentation
bin1000001000110011011111
311000101012222
420020303133
51021230330
6113415555
724063200
oct10106337
94011188
102133215
111227797
1286a5bb
13598c76
143d75a7
152c20e5
hex208cdf

2133215 has 12 divisors (see below), whose sum is σ = 2978136. Its totient is φ = 1462608.

The previous prime is 2133191. The next prime is 2133217. The reversal of 2133215 is 5123312.

2133215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2133215 - 26 = 2133151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133193 and 2133202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133217) 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 11 ways as a sum of consecutive naturals, for example, 4109 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (248178).

22133215 is an apocalyptic number.

2133215 is a deficient number, since it is larger than the sum of its proper divisors (844921).

2133215 is an equidigital number, since it uses as much as digits as its factorization.

2133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726 (or 8719 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 2133215 is about 1460.5529774712. The cubic root of 2133215 is about 128.7295377039.

Adding to 2133215 its reverse (5123312), we get a palindrome (7256527).

The spelling of 2133215 in words is "two million, one hundred thirty-three thousand, two hundred fifteen".

Divisors: 1 5 7 35 49 245 8707 43535 60949 304745 426643 2133215