Search a number
-
+
2189003 = 31241293
BaseRepresentation
bin1000010110011011001011
311010012202012
420112123023
51030022003
6114530135
724414635
oct10263313
94105665
102189003
1112656a3
1289694b
135b848b
1440da55
152d38d8
hex2166cb

2189003 has 8 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 2102400.

The previous prime is 2188993. The next prime is 2189017. The reversal of 2189003 is 3009812.

2189003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2189003 - 24 = 2188987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2189003.

It is not an unprimeable number, because it can be changed into a prime (2189053) 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 7 ways as a sum of consecutive naturals, for example, 7325 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (284592).

22189003 is an apocalyptic number.

2189003 is a deficient number, since it is larger than the sum of its proper divisors (87733).

2189003 is a wasteful number, since it uses less digits than its factorization.

2189003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

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

The square root of 2189003 is about 1479.5279652646. The cubic root of 2189003 is about 129.8420764773.

The spelling of 2189003 in words is "two million, one hundred eighty-nine thousand, three".

Divisors: 1 31 241 293 7471 9083 70613 2189003