Search a number
-
+
2003189 = 19231179
BaseRepresentation
bin111101001000011110101
310202202212012
413221003311
51003100224
6110534005
723012126
oct7510365
93682765
102003189
111149031
12807305
13551a26
143a204d
1529880e
hex1e90f5

2003189 has 12 divisors (see below), whose sum is σ = 2194560. Its totient is φ = 1826280.

The previous prime is 2003159. The next prime is 2003191. The reversal of 2003189 is 9813002.

It is a de Polignac number, because none of the positive numbers 2k-2003189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11102 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (182880).

22003189 is an apocalyptic number.

It is an amenable number.

2003189 is a deficient number, since it is larger than the sum of its proper divisors (191371).

2003189 is a wasteful number, since it uses less digits than its factorization.

2003189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2003189 is about 1415.3405950512. The cubic root of 2003189 is about 126.0590342330.

The spelling of 2003189 in words is "two million, three thousand, one hundred eighty-nine".

Divisors: 1 19 31 179 361 589 3401 5549 11191 64619 105431 2003189