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2812241 is a prime number
BaseRepresentation
bin1010101110100101010001
312021212200002
422232211101
51204442431
6140135345
732621645
oct12564521
95255602
102812241
111650973
12b37555
13776063
14532c25
153a83cb
hex2ae951

2812241 has 2 divisors, whose sum is σ = 2812242. Its totient is φ = 2812240.

The previous prime is 2812237. The next prime is 2812261. The reversal of 2812241 is 1422182.

It is a happy number.

2812241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2812261) can be obtained adding 2812241 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1274641 = 1240^2 + 1129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812241 - 22 = 2812237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2812211) 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, 1406120 + 1406121.

It is an arithmetic number, because the mean of its divisors is an integer number (1406121).

22812241 is an apocalyptic number.

It is an amenable number.

2812241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812241 is an equidigital number, since it uses as much as digits as its factorization.

2812241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 20.

The square root of 2812241 is about 1676.9737624662. The cubic root of 2812241 is about 141.1510712510.

The spelling of 2812241 in words is "two million, eight hundred twelve thousand, two hundred forty-one".