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8443069 is a prime number
BaseRepresentation
bin100000001101…
…010010111101
3120212221201021
4200031102331
54130134234
6500544141
7131523235
oct40152275
916787637
108443069
114847448
1229b2051
131997ccb
14119acc5
15b1b9b4
hex80d4bd

8443069 has 2 divisors, whose sum is σ = 8443070. Its totient is φ = 8443068.

The previous prime is 8443063. The next prime is 8443073. The reversal of 8443069 is 9603448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4687225 + 3755844 = 2165^2 + 1938^2 .

It is a cyclic number.

It is not a de Polignac number, because 8443069 - 25 = 8443037 is a prime.

It is a super-2 number, since 2×84430692 = 142570828277522, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8443063) 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, 4221534 + 4221535.

It is an arithmetic number, because the mean of its divisors is an integer number (4221535).

Almost surely, 28443069 is an apocalyptic number.

It is an amenable number.

8443069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8443069 is an equidigital number, since it uses as much as digits as its factorization.

8443069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 8443069 is about 2905.6959579419. The cubic root of 8443069 is about 203.6261012954.

The spelling of 8443069 in words is "eight million, four hundred forty-three thousand, sixty-nine".