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2685129 = 31496007
BaseRepresentation
bin1010001111100011001001
312001102022020
422033203021
51141411004
6133315053
731552236
oct12174311
95042266
102685129
111574417
12a95a89
13730245
144dc78d
153808d9
hex28f8c9

2685129 has 8 divisors (see below), whose sum is σ = 3604800. Its totient is φ = 1777776.

The previous prime is 2685121. The next prime is 2685169. The reversal of 2685129 is 9215862.

2685129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2685129 - 23 = 2685121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2685129.

It is not an unprimeable number, because it can be changed into a prime (2685121) 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, 2557 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (450600).

22685129 is an apocalyptic number.

It is an amenable number.

2685129 is a deficient number, since it is larger than the sum of its proper divisors (919671).

2685129 is a wasteful number, since it uses less digits than its factorization.

2685129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6159.

The product of its digits is 8640, while the sum is 33.

The square root of 2685129 is about 1638.6363232884. The cubic root of 2685129 is about 138.9915458171.

The spelling of 2685129 in words is "two million, six hundred eighty-five thousand, one hundred twenty-nine".

Divisors: 1 3 149 447 6007 18021 895043 2685129