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2159089 = 10911979
BaseRepresentation
bin1000001111000111110001
311001200201021
420033013301
51023042324
6114135441
724231502
oct10170761
94050637
102159089
111245179
12881581
135a798a
14402ba9
152c9ae4
hex20f1f1

2159089 has 4 divisors (see below), whose sum is σ = 2162160. Its totient is φ = 2156020.

The previous prime is 2159083. The next prime is 2159093. The reversal of 2159089 is 9809512.

2159089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2159089 - 23 = 2159081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2159081) 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 3 ways as a sum of consecutive naturals, for example, 102 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

22159089 is an apocalyptic number.

It is an amenable number.

2159089 is a deficient number, since it is larger than the sum of its proper divisors (3071).

2159089 is a wasteful number, since it uses less digits than its factorization.

2159089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2159089 is about 1469.3838844904. The cubic root of 2159089 is about 129.2479057908.

The spelling of 2159089 in words is "two million, one hundred fifty-nine thousand, eighty-nine".

Divisors: 1 1091 1979 2159089