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404443049 is a prime number
BaseRepresentation
bin11000000110110…
…100111110101001
31001012000211120012
4120012310332221
51312014134144
6104044341305
713010465153
oct3006647651
91035024505
10404443049
1119833005a
12b3544835
1365a38a1a
143b9ddad3
152578ee9e
hex181b4fa9

404443049 has 2 divisors, whose sum is σ = 404443050. Its totient is φ = 404443048.

The previous prime is 404443027. The next prime is 404443069. The reversal of 404443049 is 940344404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344659225 + 59783824 = 18565^2 + 7732^2 .

It is a cyclic number.

It is not a de Polignac number, because 404443049 - 212 = 404438953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404443009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202221524 + 202221525.

It is an arithmetic number, because the mean of its divisors is an integer number (202221525).

Almost surely, 2404443049 is an apocalyptic number.

It is an amenable number.

404443049 is a deficient number, since it is larger than the sum of its proper divisors (1).

404443049 is an equidigital number, since it uses as much as digits as its factorization.

404443049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 404443049 is about 20110.7694780682. The cubic root of 404443049 is about 739.5243162753.

The spelling of 404443049 in words is "four hundred four million, four hundred forty-three thousand, forty-nine".