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2804716685 = 5975782921
BaseRepresentation
bin1010011100101100…
…1001010010001101
321020110120100222202
42213023021102031
521221001413220
61142150451245
7126334461401
oct24713112215
97213510882
102804716685
11120a20a181
12663363b25
133590bc094
141c86d1101
1511636c275
hexa72c948d

2804716685 has 8 divisors (see below), whose sum is σ = 3400358136. Its totient is φ = 2220641280.

The previous prime is 2804716657. The next prime is 2804716693. The reversal of 2804716685 is 5866174082.

It can be written as a sum of positive squares in 4 ways, for example, as 264355081 + 2540361604 = 16259^2 + 50402^2 .

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

It is not a de Polignac number, because 2804716685 - 228 = 2536281229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890976 + ... + 2891945.

It is an arithmetic number, because the mean of its divisors is an integer number (425044767).

Almost surely, 22804716685 is an apocalyptic number.

It is an amenable number.

2804716685 is a deficient number, since it is larger than the sum of its proper divisors (595641451).

2804716685 is an equidigital number, since it uses as much as digits as its factorization.

2804716685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783023.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2804716685 is about 52959.5759518522. The cubic root of 2804716685 is about 1410.2507283447.

The spelling of 2804716685 in words is "two billion, eight hundred four million, seven hundred sixteen thousand, six hundred eighty-five".

Divisors: 1 5 97 485 5782921 28914605 560943337 2804716685