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2128346 = 211891087
BaseRepresentation
bin1000000111100111011010
311000010112122
420013213122
51021101341
6113341242
724043043
oct10074732
94003478
102128346
111224070
12867822
1359699c
143d58ca
152c094b
hex2079da

2128346 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 955680.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128346 is 6438212.

2128346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 213 + 1 + 219 + 83 + 313 + 45 + 6 .

It is an unprimeable number.

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, 1415 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

22128346 is an apocalyptic number.

2128346 is a deficient number, since it is larger than the sum of its proper divisors (1396774).

2128346 is a wasteful number, since it uses less digits than its factorization.

2128346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 2304, while the sum is 26.

The square root of 2128346 is about 1458.8851908221. The cubic root of 2128346 is about 128.6315226426.

It can be divided in two parts, 212 and 8346, that added together give a palindrome (8558).

The spelling of 2128346 in words is "two million, one hundred twenty-eight thousand, three hundred forty-six".

Divisors: 1 2 11 22 89 178 979 1087 1958 2174 11957 23914 96743 193486 1064173 2128346