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494041679 = 2321480073
BaseRepresentation
bin11101011100100…
…111101001001111
31021102121220202222
4131130213221033
52002433313204
6121005005555
715146166515
oct3534475117
91242556688
10494041679
1123396790a
121195538bb
137b47a071
14498844b5
152d58cabe
hex1d727a4f

494041679 has 4 divisors (see below), whose sum is σ = 515521776. Its totient is φ = 472561584.

The previous prime is 494041631. The next prime is 494041693. The reversal of 494041679 is 976140494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 494041679 - 220 = 492993103 is a prime.

It is a super-3 number, since 3×4940416793 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494041609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10740014 + ... + 10740059.

It is an arithmetic number, because the mean of its divisors is an integer number (128880444).

Almost surely, 2494041679 is an apocalyptic number.

494041679 is a deficient number, since it is larger than the sum of its proper divisors (21480097).

494041679 is a wasteful number, since it uses less digits than its factorization.

494041679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21480096.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 494041679 is about 22227.0483645490. The cubic root of 494041679 is about 790.5351706781.

The spelling of 494041679 in words is "four hundred ninety-four million, forty-one thousand, six hundred seventy-nine".

Divisors: 1 23 21480073 494041679