Search a number
-
+
2133187 = 71943373
BaseRepresentation
bin1000001000110011000011
311000101011221
420020303003
51021230222
6113415511
724063130
oct10106303
94011157
102133187
111227771
1286a597
13598c54
143d7587
152c20c7
hex208cc3

2133187 has 16 divisors (see below), whose sum is σ = 2632960. Its totient is φ = 1687392.

The previous prime is 2133167. The next prime is 2133191. The reversal of 2133187 is 7813312.

It is not a de Polignac number, because 2133187 - 27 = 2133059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5533 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (164560).

22133187 is an apocalyptic number.

2133187 is a deficient number, since it is larger than the sum of its proper divisors (499773).

2133187 is a wasteful number, since it uses less digits than its factorization.

2133187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442.

The product of its digits is 1008, while the sum is 25.

The square root of 2133187 is about 1460.5433920291. The cubic root of 2133187 is about 128.7289744784.

Adding to 2133187 its reverse (7813312), we get a palindrome (9946499).

The spelling of 2133187 in words is "two million, one hundred thirty-three thousand, one hundred eighty-seven".

Divisors: 1 7 19 43 133 301 373 817 2611 5719 7087 16039 49609 112273 304741 2133187