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1444344277 is a prime number
BaseRepresentation
bin101011000010110…
…1111000111010101
310201122210021212111
41112011233013111
510424223004102
6355153151021
750535503155
oct12605570725
93648707774
101444344277
11681327262
1234385b471
131a03067ac
14d9b76765
1586c03cd7
hex5616f1d5

1444344277 has 2 divisors, whose sum is σ = 1444344278. Its totient is φ = 1444344276.

The previous prime is 1444344241. The next prime is 1444344289. The reversal of 1444344277 is 7724434441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1443316081 + 1028196 = 37991^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444344277 - 215 = 1444311509 is a prime.

It is a super-2 number, since 2×14443442772 = 4172260781005305458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1444344877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722172138 + 722172139.

It is an arithmetic number, because the mean of its divisors is an integer number (722172139).

Almost surely, 21444344277 is an apocalyptic number.

It is an amenable number.

1444344277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1444344277 is an equidigital number, since it uses as much as digits as its factorization.

1444344277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 40.

The square root of 1444344277 is about 38004.5296905514. The cubic root of 1444344277 is about 1130.3776838122.

The spelling of 1444344277 in words is "one billion, four hundred forty-four million, three hundred forty-four thousand, two hundred seventy-seven".