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494469049 is a prime number
BaseRepresentation
bin11101011110001…
…111111110111001
31021110102122000111
4131132033332321
52003041002144
6121022104321
715152626504
oct3536177671
91243378014
10494469049
11234129a08
1211971b0a1
137b599749
144995613b
152d624534
hex1d78ffb9

494469049 has 2 divisors, whose sum is σ = 494469050. Its totient is φ = 494469048.

The previous prime is 494468983. The next prime is 494469197. The reversal of 494469049 is 940964494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 411075625 + 83393424 = 20275^2 + 9132^2 .

It is a cyclic number.

It is not a de Polignac number, because 494469049 - 227 = 360251321 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 494468993 and 494469011.

It is not a weakly prime, because it can be changed into another prime (494469449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247234524 + 247234525.

It is an arithmetic number, because the mean of its divisors is an integer number (247234525).

Almost surely, 2494469049 is an apocalyptic number.

It is an amenable number.

494469049 is a deficient number, since it is larger than the sum of its proper divisors (1).

494469049 is an equidigital number, since it uses as much as digits as its factorization.

494469049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 494469049 is about 22236.6600234837. The cubic root of 494469049 is about 790.7630553943.

The spelling of 494469049 in words is "four hundred ninety-four million, four hundred sixty-nine thousand, forty-nine".