Search a number
-
+
2119289 = 2392143
BaseRepresentation
bin1000000101011001111001
310222200010012
420011121321
51020304124
6113231305
724004454
oct10053171
93880105
102119289
111218287
12862535
13592823
143d249b
152bce0e
hex205679

2119289 has 4 divisors (see below), whose sum is σ = 2211456. Its totient is φ = 2027124.

The previous prime is 2119267. The next prime is 2119301. The reversal of 2119289 is 9829112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2119289 - 212 = 2115193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2119259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46049 + ... + 46094.

It is an arithmetic number, because the mean of its divisors is an integer number (552864).

22119289 is an apocalyptic number.

It is an amenable number.

2119289 is a deficient number, since it is larger than the sum of its proper divisors (92167).

2119289 is an equidigital number, since it uses as much as digits as its factorization.

2119289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92166.

The product of its digits is 2592, while the sum is 32.

The square root of 2119289 is about 1455.7777989790. Note that the first 4 decimals coincide. The cubic root of 2119289 is about 128.4488029531.

The spelling of 2119289 in words is "two million, one hundred nineteen thousand, two hundred eighty-nine".

Divisors: 1 23 92143 2119289