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105268443 = 3741122263
BaseRepresentation
bin1100100011001…
…00010011011011
321100002012011020
412101210103123
5203422042233
614240133523
72415524040
oct621442333
9240065136
10105268443
115446a815
122b3072a3
1318a69827
14dda31c7
1593959b3
hex64644db

105268443 has 16 divisors (see below), whose sum is σ = 164322816. Its totient is φ = 58685760.

The previous prime is 105268381. The next prime is 105268451. The reversal of 105268443 is 344862501.

It is not a de Polignac number, because 105268443 - 28 = 105268187 is a prime.

It is a super-2 number, since 2×1052684432 = 22162890183288498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105267443) 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 in 15 ways as a sum of consecutive naturals, for example, 60271 + ... + 61992.

It is an arithmetic number, because the mean of its divisors is an integer number (10270176).

Almost surely, 2105268443 is an apocalyptic number.

105268443 is a deficient number, since it is larger than the sum of its proper divisors (59054373).

105268443 is a wasteful number, since it uses less digits than its factorization.

105268443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122314.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 105268443 is about 10260.0410817891. The cubic root of 105268443 is about 472.1710977784.

The spelling of 105268443 in words is "one hundred five million, two hundred sixty-eight thousand, four hundred forty-three".

Divisors: 1 3 7 21 41 123 287 861 122263 366789 855841 2567523 5012783 15038349 35089481 105268443