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2820495 = 35593187
BaseRepresentation
bin1010110000100110001111
312022021222210
422300212033
51210223440
6140241503
732655006
oct12604617
95267883
102820495
111657097
12b40293
13779a42
14535c3d
153aaa80
hex2b098f

2820495 has 16 divisors (see below), whose sum is σ = 4590720. Its totient is φ = 1478304.

The previous prime is 2820491. The next prime is 2820509. The reversal of 2820495 is 5940282.

2820495 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 2820495 - 22 = 2820491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820491) 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 15 ways as a sum of consecutive naturals, for example, 709 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (286920).

22820495 is an apocalyptic number.

2820495 is a deficient number, since it is larger than the sum of its proper divisors (1770225).

2820495 is a wasteful number, since it uses less digits than its factorization.

2820495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2820495 is about 1679.4329400128. The cubic root of 2820495 is about 141.2890303815.

The spelling of 2820495 in words is "two million, eight hundred twenty thousand, four hundred ninety-five".

Divisors: 1 3 5 15 59 177 295 885 3187 9561 15935 47805 188033 564099 940165 2820495