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3982189 = 19920011
BaseRepresentation
bin1111001100001101101101
321111022112111
433030031231
52004412224
6221204021
745563611
oct17141555
97438474
103982189
11227a972
121400611
13a95733
14759341
15539d94
hex3cc36d

3982189 has 4 divisors (see below), whose sum is σ = 4002400. Its totient is φ = 3961980.

The previous prime is 3982183. The next prime is 3982201. The reversal of 3982189 is 9812893.

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 3982189 - 25 = 3982157 is a prime.

It is a Duffinian number.

3982189 is a modest number, since divided by 2189 gives 398 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9807 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (1000600).

Almost surely, 23982189 is an apocalyptic number.

It is an amenable number.

3982189 is a deficient number, since it is larger than the sum of its proper divisors (20211).

3982189 is a wasteful number, since it uses less digits than its factorization.

3982189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20210.

The product of its digits is 31104, while the sum is 40.

The square root of 3982189 is about 1995.5422821880. The cubic root of 3982189 is about 158.5041446239.

It can be divided in two parts, 39 and 82189, that added together give a palindrome (82228).

The spelling of 3982189 in words is "three million, nine hundred eighty-two thousand, one hundred eighty-nine".

Divisors: 1 199 20011 3982189