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105297443 is a prime number
BaseRepresentation
bin1100100011010…
…11011000100011
321100010122221022
412101223120203
5203424004233
614240520055
72416004426
oct621533043
9240118838
10105297443
115448a589
122b32002b
1318a79aa4
14ddad9bd
15939e398
hex646b623

105297443 has 2 divisors, whose sum is σ = 105297444. Its totient is φ = 105297442.

The previous prime is 105297431. The next prime is 105297469. The reversal of 105297443 is 344792501.

It is a weak prime.

It is an emirp because it is prime and its reverse (344792501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105297443 - 28 = 105297187 is a prime.

It is a super-2 number, since 2×1052974432 = 22175103004676498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105297403) 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, 52648721 + 52648722.

It is an arithmetic number, because the mean of its divisors is an integer number (52648722).

Almost surely, 2105297443 is an apocalyptic number.

105297443 is a deficient number, since it is larger than the sum of its proper divisors (1).

105297443 is an equidigital number, since it uses as much as digits as its factorization.

105297443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 105297443 is about 10261.4542341717. The cubic root of 105297443 is about 472.2144526662.

The spelling of 105297443 in words is "one hundred five million, two hundred ninety-seven thousand, four hundred forty-three".