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2190875 = 53171031
BaseRepresentation
bin1000010110111000011011
311010022022112
420112320123
51030102000
6114542535
724423251
oct10267033
94108275
102190875
111267045
12897a4b
135b929b
144105d1
152d4235
hex216e1b

2190875 has 16 divisors (see below), whose sum is σ = 2897856. Its totient is φ = 1648000.

The previous prime is 2190857. The next prime is 2190887. The reversal of 2190875 is 5780912.

2190875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2190875 - 216 = 2125339 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1610 + ... + 2640.

It is an arithmetic number, because the mean of its divisors is an integer number (181116).

22190875 is an apocalyptic number.

2190875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2190875 is a deficient number, since it is larger than the sum of its proper divisors (706981).

2190875 is a wasteful number, since it uses less digits than its factorization.

2190875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2190875 is about 1480.1604642741. The cubic root of 2190875 is about 129.8790788801.

The spelling of 2190875 in words is "two million, one hundred ninety thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 85 125 425 1031 2125 5155 17527 25775 87635 128875 438175 2190875