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2144369 is a prime number
BaseRepresentation
bin1000001011100001110001
311000221112002
420023201301
51022104434
6113543345
724140543
oct10134161
94027462
102144369
111235107
12874b55
135a1076
143db693
152c557e
hex20b871

2144369 has 2 divisors, whose sum is σ = 2144370. Its totient is φ = 2144368.

The previous prime is 2144323. The next prime is 2144371. The reversal of 2144369 is 9634412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 12769 = 1460^2 + 113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144369 - 212 = 2140273 is a prime.

It is a super-2 number, since 2×21443692 = 9196636816322, which contains 22 as substring.

Together with 2144371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2144309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072184 + 1072185.

It is an arithmetic number, because the mean of its divisors is an integer number (1072185).

22144369 is an apocalyptic number.

It is an amenable number.

2144369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144369 is an equidigital number, since it uses as much as digits as its factorization.

2144369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 2144369 is about 1464.3664158946. The cubic root of 2144369 is about 128.9535116826.

It can be divided in two parts, 21443 and 69, that added together give a palindrome (21512).

The spelling of 2144369 in words is "two million, one hundred forty-four thousand, three hundred sixty-nine".