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1144704749 is a prime number
BaseRepresentation
bin100010000111010…
…1100111011101101
32221202222000201012
41010032230323231
54321021022444
6305330555005
740236554426
oct10416547355
92852860635
101144704749
11538179691
1227b438a65
13153203ab6
14ac05864d
156a766b9e
hex443aceed

1144704749 has 2 divisors, whose sum is σ = 1144704750. Its totient is φ = 1144704748.

The previous prime is 1144704731. The next prime is 1144704793. The reversal of 1144704749 is 9474074411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 858079849 + 286624900 = 29293^2 + 16930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144704749 - 28 = 1144704493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144704049) 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, 572352374 + 572352375.

It is an arithmetic number, because the mean of its divisors is an integer number (572352375).

Almost surely, 21144704749 is an apocalyptic number.

It is an amenable number.

1144704749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144704749 is an equidigital number, since it uses as much as digits as its factorization.

1144704749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 1144704749 is about 33833.4856170629. The cubic root of 1144704749 is about 1046.0790267826.

The spelling of 1144704749 in words is "one billion, one hundred forty-four million, seven hundred four thousand, seven hundred forty-nine".