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105405263 is a prime number
BaseRepresentation
bin1100100100001…
…01101101001111
321100100010211122
412102011231033
5203440432023
614243111155
72416633655
oct622055517
9240303748
10105405263
1154553597
122b3724bb
1318ab6ba2
14dddadd5
1593c12c8
hex6485b4f

105405263 has 2 divisors, whose sum is σ = 105405264. Its totient is φ = 105405262.

The previous prime is 105405241. The next prime is 105405277. The reversal of 105405263 is 362504501.

It is a strong prime.

It is an emirp because it is prime and its reverse (362504501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105405263 - 26 = 105405199 is a prime.

It is a super-2 number, since 2×1054052632 = 22220538936198338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105405233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52702631 + 52702632.

It is an arithmetic number, because the mean of its divisors is an integer number (52702632).

Almost surely, 2105405263 is an apocalyptic number.

105405263 is a deficient number, since it is larger than the sum of its proper divisors (1).

105405263 is an equidigital number, since it uses as much as digits as its factorization.

105405263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 105405263 is about 10266.7065313079. The cubic root of 105405263 is about 472.3755733695.

Adding to 105405263 its reverse (362504501), we get a palindrome (467909764).

The spelling of 105405263 in words is "one hundred five million, four hundred five thousand, two hundred sixty-three".