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105043397 is a prime number
BaseRepresentation
bin1100100001011…
…01010111000101
321022122202110012
412100231113011
5203342342042
614231240005
72413565654
oct620552705
9238582405
10105043397
1154326728
122b219005
13189bb274
14dd4519b
15934de82
hex642d5c5

105043397 has 2 divisors, whose sum is σ = 105043398. Its totient is φ = 105043396.

The previous prime is 105043387. The next prime is 105043429. The reversal of 105043397 is 793340501.

It is a happy number.

It is an a-pointer prime, because the next prime (105043429) can be obtained adding 105043397 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91508356 + 13535041 = 9566^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 105043397 - 224 = 88266181 is a prime.

It is a super-2 number, since 2×1050433972 = 22068230506599218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105043327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52521698 + 52521699.

It is an arithmetic number, because the mean of its divisors is an integer number (52521699).

Almost surely, 2105043397 is an apocalyptic number.

It is an amenable number.

105043397 is a deficient number, since it is larger than the sum of its proper divisors (1).

105043397 is an equidigital number, since it uses as much as digits as its factorization.

105043397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 105043397 is about 10249.0681039790. The cubic root of 105043397 is about 471.8343839257.

Adding to 105043397 its reverse (793340501), we get a palindrome (898383898).

The spelling of 105043397 in words is "one hundred five million, forty-three thousand, three hundred ninety-seven".