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2144801 is a prime number
BaseRepresentation
bin1000001011101000100001
311000222010002
420023220201
51022113201
6113545345
724142031
oct10135041
94028102
102144801
11123546a
12875255
135a1319
143db8c1
152c576b
hex20ba21

2144801 has 2 divisors, whose sum is σ = 2144802. Its totient is φ = 2144800.

The previous prime is 2144789. The next prime is 2144837. The reversal of 2144801 is 1084412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 226576 = 1385^2 + 476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2144801 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2144501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072400 + 1072401.

It is an arithmetic number, because the mean of its divisors is an integer number (1072401).

22144801 is an apocalyptic number.

It is an amenable number.

2144801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144801 is an equidigital number, since it uses as much as digits as its factorization.

2144801 is an evil number, because the sum of its binary digits is even.

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

The square root of 2144801 is about 1464.5139125321. The cubic root of 2144801 is about 128.9621706675.

The spelling of 2144801 in words is "two million, one hundred forty-four thousand, eight hundred one".