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105056069 is a prime number
BaseRepresentation
bin1100100001100…
…00011101000101
321022200101211112
412100300131011
5203343243234
614231414405
72413650626
oct620603505
9238611745
10105056069
11543351a8
122b224405
13189c3c71
14dd49a4d
159352ace
hex6430745

105056069 has 2 divisors, whose sum is σ = 105056070. Its totient is φ = 105056068.

The previous prime is 105056047. The next prime is 105056087. The reversal of 105056069 is 960650501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88548100 + 16507969 = 9410^2 + 4063^2 .

It is a cyclic number.

It is not a de Polignac number, because 105056069 - 216 = 104990533 is a prime.

It is a super-2 number, since 2×1050560692 = 22073555267465522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105056099) 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, 52528034 + 52528035.

It is an arithmetic number, because the mean of its divisors is an integer number (52528035).

Almost surely, 2105056069 is an apocalyptic number.

It is an amenable number.

105056069 is a deficient number, since it is larger than the sum of its proper divisors (1).

105056069 is an equidigital number, since it uses as much as digits as its factorization.

105056069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 105056069 is about 10249.6862878822. The cubic root of 105056069 is about 471.8533565442.

The spelling of 105056069 in words is "one hundred five million, fifty-six thousand, sixty-nine".