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494147 is a prime number
BaseRepresentation
bin1111000101001000011
3221002211202
41320221003
5111303042
614331415
74125443
oct1705103
9832752
10494147
11308295
121b9b6b
13143bc4
14cc123
159b632
hex78a43

494147 has 2 divisors, whose sum is σ = 494148. Its totient is φ = 494146.

The previous prime is 494141. The next prime is 494167. The reversal of 494147 is 741494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494147 - 26 = 494083 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494147.

It is not a weakly prime, because it can be changed into another prime (494141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247073 + 247074.

It is an arithmetic number, because the mean of its divisors is an integer number (247074).

2494147 is an apocalyptic number.

494147 is a deficient number, since it is larger than the sum of its proper divisors (1).

494147 is an equidigital number, since it uses as much as digits as its factorization.

494147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 494147 is about 702.9559018886. The cubic root of 494147 is about 79.0591342753.

It can be divided in two parts, 49 and 4147, that multiplied together give a triangular number (203203 = T637).

The spelling of 494147 in words is "four hundred ninety-four thousand, one hundred forty-seven".