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2108893 = 2391691
BaseRepresentation
bin1000000010110111011101
310222010212011
420002313131
51014441033
6113111221
723632243
oct10026735
93863764
102108893
111210496
12858511
1358ab87
143cc793
152b9ccd
hex202ddd

2108893 has 4 divisors (see below), whose sum is σ = 2200608. Its totient is φ = 2017180.

The previous prime is 2108881. The next prime is 2108927. The reversal of 2108893 is 3988012.

2108893 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.

It is a cyclic number.

It is not a de Polignac number, because 2108893 - 217 = 1977821 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108993) 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, 45823 + ... + 45868.

It is an arithmetic number, because the mean of its divisors is an integer number (550152).

22108893 is an apocalyptic number.

2108893 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2108893 is a deficient number, since it is larger than the sum of its proper divisors (91715).

2108893 is an equidigital number, since it uses as much as digits as its factorization.

2108893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91714.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2108893 is about 1452.2028095276. The cubic root of 2108893 is about 128.2384268607.

The spelling of 2108893 in words is "two million, one hundred eight thousand, eight hundred ninety-three".

Divisors: 1 23 91691 2108893