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2945249 is a prime number
BaseRepresentation
bin1011001111000011100001
312112122010022
423033003201
51223221444
6143043225
734014506
oct13170341
95478108
102945249
11173189a
12ba0515
137c1768
145694ad
153d29ee
hex2cf0e1

2945249 has 2 divisors, whose sum is σ = 2945250. Its totient is φ = 2945248.

The previous prime is 2945227. The next prime is 2945287. The reversal of 2945249 is 9425492.

2945249 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., 1488400 + 1456849 = 1220^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945249 - 216 = 2879713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2945149) 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, 1472624 + 1472625.

It is an arithmetic number, because the mean of its divisors is an integer number (1472625).

22945249 is an apocalyptic number.

It is an amenable number.

2945249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945249 is an equidigital number, since it uses as much as digits as its factorization.

2945249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 2945249 is about 1716.1727768497. The cubic root of 2945249 is about 143.3421802123.

The spelling of 2945249 in words is "two million, nine hundred forty-five thousand, two hundred forty-nine".