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826069 is a prime number
BaseRepresentation
bin11001001101011010101
31112222011011
43021223111
5202413234
625412221
710010236
oct3115325
91488134
10826069
11514702
1233a071
1322bcca
1417708d
15114b64
hexc9ad5

826069 has 2 divisors, whose sum is σ = 826070. Its totient is φ = 826068.

The previous prime is 826061. The next prime is 826087. The reversal of 826069 is 960628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 69169 = 870^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 826069 - 23 = 826061 is a prime.

It is a super-2 number, since 2×8260692 = 1364779985522, 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 826069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (826061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413034 + 413035.

It is an arithmetic number, because the mean of its divisors is an integer number (413035).

2826069 is an apocalyptic number.

It is an amenable number.

826069 is a deficient number, since it is larger than the sum of its proper divisors (1).

826069 is an equidigital number, since it uses as much as digits as its factorization.

826069 is an odious number, because the sum of its binary digits is odd.

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

The square root of 826069 is about 908.8833808581. The cubic root of 826069 is about 93.8293644984.

The spelling of 826069 in words is "eight hundred twenty-six thousand, sixty-nine".