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2184825 = 35229131
BaseRepresentation
bin1000010101011001111001
311010000000110
420111121321
51024403300
6114454533
724366516
oct10253171
94100013
102184825
111262545
12894449
135b65c6
1440c30d
152d2550
hex215679

2184825 has 12 divisors (see below), whose sum is σ = 3612368. Its totient is φ = 1165200.

The previous prime is 2184811. The next prime is 2184827. The reversal of 2184825 is 5284812.

2184825 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 2184825 - 26 = 2184761 is a prime.

It is a Duffinian number.

2184825 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2184792 and 2184801.

It is not an unprimeable number, because it can be changed into a prime (2184827) 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 11 ways as a sum of consecutive naturals, for example, 14491 + ... + 14640.

22184825 is an apocalyptic number.

2184825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2184825 is a deficient number, since it is larger than the sum of its proper divisors (1427543).

2184825 is a wasteful number, since it uses less digits than its factorization.

2184825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29144 (or 29139 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2184825 is about 1478.1153540911. The cubic root of 2184825 is about 129.7594169753.

The spelling of 2184825 in words is "two million, one hundred eighty-four thousand, eight hundred twenty-five".

Divisors: 1 3 5 15 25 75 29131 87393 145655 436965 728275 2184825