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105466381 is a prime number
BaseRepresentation
bin1100100100101…
…00101000001101
321100110020200021
412102110220031
5203444411011
614244302141
72420310106
oct622245015
9240406607
10105466381
11545954a9
122b3a1951
1318b08957
14100153ad
1593d4471
hex6494a0d

105466381 has 2 divisors, whose sum is σ = 105466382. Its totient is φ = 105466380.

The previous prime is 105466373. The next prime is 105466409. The reversal of 105466381 is 183664501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105390756 + 75625 = 10266^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 105466381 - 23 = 105466373 is a prime.

It is a super-2 number, since 2×1054663812 = 22246315042474322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105466331) 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, 52733190 + 52733191.

It is an arithmetic number, because the mean of its divisors is an integer number (52733191).

Almost surely, 2105466381 is an apocalyptic number.

It is an amenable number.

105466381 is a deficient number, since it is larger than the sum of its proper divisors (1).

105466381 is an equidigital number, since it uses as much as digits as its factorization.

105466381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 105466381 is about 10269.6826143752. The cubic root of 105466381 is about 472.4668561991.

The spelling of 105466381 in words is "one hundred five million, four hundred sixty-six thousand, three hundred eighty-one".