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494141209 = 3170122739
BaseRepresentation
bin11101011100111…
…111111100011001
31021102210222022021
4131130333330121
52003000004314
6121011054441
715150062632
oct3534777431
91242728267
10494141209
11233a25671
121195a1421
137b4b3463
14498ac889
152d5ac324
hex1d73ff19

494141209 has 8 divisors (see below), whose sum is σ = 510831360. Its totient is φ = 477498000.

The previous prime is 494141171. The next prime is 494141231. The reversal of 494141209 is 902141494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 494141209 - 215 = 494108441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494141279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10362 + ... + 33100.

It is an arithmetic number, because the mean of its divisors is an integer number (63853920).

Almost surely, 2494141209 is an apocalyptic number.

It is an amenable number.

494141209 is a deficient number, since it is larger than the sum of its proper divisors (16690151).

494141209 is a wasteful number, since it uses less digits than its factorization.

494141209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23471.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 494141209 is about 22229.2871905511. The cubic root of 494141209 is about 790.5882543791.

The spelling of 494141209 in words is "four hundred ninety-four million, one hundred forty-one thousand, two hundred nine".

Divisors: 1 31 701 21731 22739 704909 15940039 494141209