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806716269 = 32194717639
BaseRepresentation
bin110000000101011…
…000001101101101
32002012222102200100
4300011120031231
53123004410034
6212014421313
725663655322
oct6005301555
92065872610
10806716269
11384408967
121a6201839
13cb194c08
14791d6b49
154ac52099
hex3015836d

806716269 has 12 divisors (see below), whose sum is σ = 1226586400. Its totient is φ = 509504904.

The previous prime is 806716243. The next prime is 806716289. The reversal of 806716269 is 962617608.

It is not a de Polignac number, because 806716269 - 224 = 789939053 is a prime.

It is a super-2 number, since 2×8067162692 = 1301582277338560722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806716219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2358649 + ... + 2358990.

Almost surely, 2806716269 is an apocalyptic number.

It is an amenable number.

806716269 is a deficient number, since it is larger than the sum of its proper divisors (419870131).

806716269 is a wasteful number, since it uses less digits than its factorization.

806716269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717664 (or 4717661 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 806716269 is about 28402.7510815414. The cubic root of 806716269 is about 930.9083771090.

It can be divided in two parts, 8067 and 16269, that added together give a square (24336 = 1562).

The spelling of 806716269 in words is "eight hundred six million, seven hundred sixteen thousand, two hundred sixty-nine".

Divisors: 1 3 9 19 57 171 4717639 14152917 42458751 89635141 268905423 806716269