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4007189 = 17733229
BaseRepresentation
bin1111010010010100010101
321112120211102
433102110111
52011212224
6221515445
746026524
oct17222425
97476742
104007189
11229772a
121412b85
13aa3c24
147644bb
155424ae
hex3d2515

4007189 has 8 divisors (see below), whose sum is σ = 4302360. Its totient is φ = 3718656.

The previous prime is 4007183. The next prime is 4007207. The reversal of 4007189 is 9817004.

4007189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 828100 + 3179089 = 910^2 + 1783^2 .

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 4007189 - 216 = 3941653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007183) 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, 374 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (537795).

Almost surely, 24007189 is an apocalyptic number.

It is an amenable number.

4007189 is a deficient number, since it is larger than the sum of its proper divisors (295171).

4007189 is a wasteful number, since it uses less digits than its factorization.

4007189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 4007189 is about 2001.7964431980. The cubic root of 4007189 is about 158.8351468330.

The spelling of 4007189 in words is "four million, seven thousand, one hundred eighty-nine".

Divisors: 1 17 73 1241 3229 54893 235717 4007189