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2845457 is a prime number
BaseRepresentation
bin1010110110101100010001
312100120020022
422312230101
51212023312
6140553225
733120536
oct12665421
95316208
102845457
11167391a
12b52815
13788204
14540d8d
153b3172
hex2b6b11

2845457 has 2 divisors, whose sum is σ = 2845458. Its totient is φ = 2845456.

The previous prime is 2845433. The next prime is 2845463. The reversal of 2845457 is 7545482.

2845457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2808976 + 36481 = 1676^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2845457 - 28 = 2845201 is a prime.

It is a d-powerful number, because it can be written as 215 + 85 + 43 + 55 + 43 + 59 + 77 .

It is not a weakly prime, because it can be changed into another prime (2845417) 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, 1422728 + 1422729.

It is an arithmetic number, because the mean of its divisors is an integer number (1422729).

22845457 is an apocalyptic number.

It is an amenable number.

2845457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845457 is an equidigital number, since it uses as much as digits as its factorization.

2845457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 35.

The square root of 2845457 is about 1686.8482445081. The cubic root of 2845457 is about 141.7046197429.

The spelling of 2845457 in words is "two million, eight hundred forty-five thousand, four hundred fifty-seven".