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494387 is a prime number
BaseRepresentation
bin1111000101100110011
3221010011122
41320230303
5111310022
614332455
74126235
oct1705463
9833148
10494387
11308493
121ba12b
1314404a
14cc255
159b742
hex78b33

494387 has 2 divisors, whose sum is σ = 494388. Its totient is φ = 494386.

The previous prime is 494383. The next prime is 494407. The reversal of 494387 is 783494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494387 - 22 = 494383 is a prime.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (494381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247193 + 247194.

It is an arithmetic number, because the mean of its divisors is an integer number (247194).

2494387 is an apocalyptic number.

494387 is a deficient number, since it is larger than the sum of its proper divisors (1).

494387 is an equidigital number, since it uses as much as digits as its factorization.

494387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 494387 is about 703.1265888871. The cubic root of 494387 is about 79.0719314937.

The spelling of 494387 in words is "four hundred ninety-four thousand, three hundred eighty-seven".