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2785313 is a prime number
BaseRepresentation
bin1010101000000000100001
312020111201202
422220000201
51203112223
6135410545
732450306
oct12500041
95214652
102785313
111632713
12b23a55
13766a1b
145270ad
153a0428
hex2a8021

2785313 has 2 divisors, whose sum is σ = 2785314. Its totient is φ = 2785312.

The previous prime is 2785301. The next prime is 2785333. The reversal of 2785313 is 3135872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 760384 = 1423^2 + 872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2785313 is a prime.

It is a d-powerful number, because it can be written as 211 + 77 + 8 + 59 + 33 + 1 + 38 .

It is not a weakly prime, because it can be changed into another prime (2785333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392656 + 1392657.

It is an arithmetic number, because the mean of its divisors is an integer number (1392657).

22785313 is an apocalyptic number.

It is an amenable number.

2785313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785313 is an equidigital number, since it uses as much as digits as its factorization.

2785313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 2785313 is about 1668.9257023607. The cubic root of 2785313 is about 140.6991051724.

The spelling of 2785313 in words is "two million, seven hundred eighty-five thousand, three hundred thirteen".