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8144069 is a prime number
BaseRepresentation
bin11111000100010011000101
3120022202120012
4133010103011
54041102234
6450320005
7126136433
oct37042305
916282505
108144069
11466283a
122889005
1318c1b9b
14111dd53
15aad0ce
hex7c44c5

8144069 has 2 divisors, whose sum is σ = 8144070. Its totient is φ = 8144068.

The previous prime is 8144057. The next prime is 8144083. The reversal of 8144069 is 9604418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 2067844 = 2465^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 8144069 - 24 = 8144053 is a prime.

It is a super-2 number, since 2×81440692 = 132651719753522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8144009) 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, 4072034 + 4072035.

It is an arithmetic number, because the mean of its divisors is an integer number (4072035).

Almost surely, 28144069 is an apocalyptic number.

It is an amenable number.

8144069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8144069 is an equidigital number, since it uses as much as digits as its factorization.

8144069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8144069 is about 2853.7815263261. The cubic root of 8144069 is about 201.1934393475.

The spelling of 8144069 in words is "eight million, one hundred forty-four thousand, sixty-nine".