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2685071 = 8093319
BaseRepresentation
bin1010001111100010001111
312001102020002
422033202033
51141410241
6133314515
731552124
oct12174217
95042202
102685071
111574374
12a95a3b
137301cc
144dc74b
1538089b
hex28f88f

2685071 has 4 divisors (see below), whose sum is σ = 2689200. Its totient is φ = 2680944.

The previous prime is 2685029. The next prime is 2685073. The reversal of 2685071 is 1705862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2685071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (672300).

22685071 is an apocalyptic number.

2685071 is a deficient number, since it is larger than the sum of its proper divisors (4129).

2685071 is an equidigital number, since it uses as much as digits as its factorization.

2685071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2685071 is about 1638.6186255502. The cubic root of 2685071 is about 138.9905450498.

The spelling of 2685071 in words is "two million, six hundred eighty-five thousand, seventy-one".

Divisors: 1 809 3319 2685071