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806269 is a prime number
BaseRepresentation
bin11000100110101111101
31111221222211
43010311331
5201300034
625140421
76565432
oct3046575
91457884
10806269
11500842
1232a711
13222ca9
1416db89
1510dd64
hexc4d7d

806269 has 2 divisors, whose sum is σ = 806270. Its totient is φ = 806268.

The previous prime is 806263. The next prime is 806291. The reversal of 806269 is 962608.

806269 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580644 + 225625 = 762^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 806269 - 23 = 806261 is a prime.

It is a super-2 number, since 2×8062692 = 1300139400722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403134 + 403135.

It is an arithmetic number, because the mean of its divisors is an integer number (403135).

2806269 is an apocalyptic number.

It is an amenable number.

806269 is a deficient number, since it is larger than the sum of its proper divisors (1).

806269 is an equidigital number, since it uses as much as digits as its factorization.

806269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 806269 is about 897.9248298159. The cubic root of 806269 is about 93.0736303627.

The spelling of 806269 in words is "eight hundred six thousand, two hundred sixty-nine".