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2185342 = 219131439
BaseRepresentation
bin1000010101100001111110
311010000201121
420111201332
51024412332
6114501154
724401155
oct10254176
94100647
102185342
111262975
128947ba
135b6903
1440c59c
152d2797
hex21587e

2185342 has 16 divisors (see below), whose sum is σ = 3484800. Its totient is φ = 1024920.

The previous prime is 2185297. The next prime is 2185343. The reversal of 2185342 is 2435812.

2185342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185343) 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, 4759 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (217800).

22185342 is an apocalyptic number.

2185342 is a deficient number, since it is larger than the sum of its proper divisors (1299458).

2185342 is a wasteful number, since it uses less digits than its factorization.

2185342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its digits is 1920, while the sum is 25.

The square root of 2185342 is about 1478.2902286087. The cubic root of 2185342 is about 129.7696512546.

The spelling of 2185342 in words is "two million, one hundred eighty-five thousand, three hundred forty-two".

Divisors: 1 2 19 38 131 262 439 878 2489 4978 8341 16682 57509 115018 1092671 2185342