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2272141 is a prime number
BaseRepresentation
bin1000101010101110001101
311021102210101
420222232031
51040202031
6120411101
725212214
oct10525615
94242711
102272141
111312103
12916a91
13617281
1443207b
152ed361
hex22ab8d

2272141 has 2 divisors, whose sum is σ = 2272142. Its totient is φ = 2272140.

The previous prime is 2272129. The next prime is 2272177. The reversal of 2272141 is 1412722.

It is a happy number.

2272141 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., 1974025 + 298116 = 1405^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272141 - 27 = 2272013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272241) 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, 1136070 + 1136071.

It is an arithmetic number, because the mean of its divisors is an integer number (1136071).

22272141 is an apocalyptic number.

It is an amenable number.

2272141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272141 is an equidigital number, since it uses as much as digits as its factorization.

2272141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224, while the sum is 19.

The square root of 2272141 is about 1507.3622656813. The cubic root of 2272141 is about 131.4654884929.

Adding to 2272141 its reverse (1412722), we get a palindrome (3684863).

The spelling of 2272141 in words is "two million, two hundred seventy-two thousand, one hundred forty-one".