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2285917 is a prime number
BaseRepresentation
bin1000101110000101011101
311022010200121
420232011131
51041122132
6120554541
725300324
oct10560535
94263617
102285917
111321497
12922a51
1362061a
144370bb
15302497
hex22e15d

2285917 has 2 divisors, whose sum is σ = 2285918. Its totient is φ = 2285916.

The previous prime is 2285911. The next prime is 2285929. The reversal of 2285917 is 7195822.

2285917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2277081 + 8836 = 1509^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285917 - 219 = 1761629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2285911) 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 as a sum of consecutive naturals, namely, 1142958 + 1142959.

It is an arithmetic number, because the mean of its divisors is an integer number (1142959).

22285917 is an apocalyptic number.

It is an amenable number.

2285917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285917 is an equidigital number, since it uses as much as digits as its factorization.

2285917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 2285917 is about 1511.9249319989. The cubic root of 2285917 is about 131.7306452586.

The spelling of 2285917 in words is "two million, two hundred eighty-five thousand, nine hundred seventeen".