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7431000349 is a prime number
BaseRepresentation
bin1101110101110110…
…00001000100011101
3201011212201221010011
412322323001010131
5110204314002344
63225212043221
7352101314023
oct67273010435
921155657104
107431000349
113173673603
121534763511
139156ac936
14506cb0713
152d75a2d34
hex1baec111d

7431000349 has 2 divisors, whose sum is σ = 7431000350. Its totient is φ = 7431000348.

The previous prime is 7431000299. The next prime is 7431000383. The reversal of 7431000349 is 9430001347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7190192025 + 240808324 = 84795^2 + 15518^2 .

It is a cyclic number.

It is not a de Polignac number, because 7431000349 - 27 = 7431000221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7431000349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7431000389) 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, 3715500174 + 3715500175.

It is an arithmetic number, because the mean of its divisors is an integer number (3715500175).

Almost surely, 27431000349 is an apocalyptic number.

It is an amenable number.

7431000349 is a deficient number, since it is larger than the sum of its proper divisors (1).

7431000349 is an equidigital number, since it uses as much as digits as its factorization.

7431000349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 7431000349 is about 86203.2502229469. The cubic root of 7431000349 is about 1951.4125508374.

The spelling of 7431000349 in words is "seven billion, four hundred thirty-one million, three hundred forty-nine", and thus it is an aban number.