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494438371 = 7229347951
BaseRepresentation
bin11101011110001…
…000011111100011
31021110101001221021
4131132020133203
52003034011441
6121021310311
715152441200
oct3536103743
91243331837
10494438371
11234108959
12119705397
137b5887ab
1449948ca7
152d61a3d1
hex1d7887e3

494438371 has 12 divisors (see below), whose sum is σ = 594997920. Its totient is φ = 409189200.

The previous prime is 494438339. The next prime is 494438389. The reversal of 494438371 is 173834494.

It is not a de Polignac number, because 494438371 - 25 = 494438339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494439371) 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 in 11 ways as a sum of consecutive naturals, for example, 172555 + ... + 175396.

It is an arithmetic number, because the mean of its divisors is an integer number (49583160).

Almost surely, 2494438371 is an apocalyptic number.

494438371 is a deficient number, since it is larger than the sum of its proper divisors (100559549).

494438371 is a wasteful number, since it uses less digits than its factorization.

494438371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347994 (or 347987 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 494438371 is about 22235.9702059523. The cubic root of 494438371 is about 790.7467014683.

The spelling of 494438371 in words is "four hundred ninety-four million, four hundred thirty-eight thousand, three hundred seventy-one".

Divisors: 1 7 29 49 203 1421 347951 2435657 10090579 17049599 70634053 494438371