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2125886 = 27151849
BaseRepresentation
bin1000000111000000111110
311000000011112
420013000332
51021012021
6113322022
724032630
oct10070076
94000145
102125886
111222234
12866312
13595829
143d4a50
152bed5b
hex20703e

2125886 has 8 divisors (see below), whose sum is σ = 3644400. Its totient is φ = 911088.

The previous prime is 2125873. The next prime is 2125889. The reversal of 2125886 is 6885212.

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

It is a d-powerful number, because it can be written as 213 + 1 + 217 + 59 + 83 + 85 + 63 .

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75911 + ... + 75938.

It is an arithmetic number, because the mean of its divisors is an integer number (455550).

22125886 is an apocalyptic number.

2125886 is a deficient number, since it is larger than the sum of its proper divisors (1518514).

2125886 is a wasteful number, since it uses less digits than its factorization.

2125886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151858.

The product of its digits is 7680, while the sum is 32.

The square root of 2125886 is about 1458.0418375342. The cubic root of 2125886 is about 128.5819449364.

The spelling of 2125886 in words is "two million, one hundred twenty-five thousand, eight hundred eighty-six".

Divisors: 1 2 7 14 151849 303698 1062943 2125886