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105026213 is a prime number
BaseRepresentation
bin1100100001010…
…01001010100101
321022121212212202
412100221022211
5203341314323
614231024245
72413464605
oct620511245
9238555782
10105026213
1154314826
122b20b085
13189b34b6
14dd3cc05
159348d28
hex64292a5

105026213 has 2 divisors, whose sum is σ = 105026214. Its totient is φ = 105026212.

The previous prime is 105026209. The next prime is 105026219. The reversal of 105026213 is 312620501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 44528929 = 7778^2 + 6673^2 .

It is an emirp because it is prime and its reverse (312620501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105026213 - 22 = 105026209 is a prime.

It is a super-2 number, since 2×1050262132 = 22061010834242738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105026219) 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, 52513106 + 52513107.

It is an arithmetic number, because the mean of its divisors is an integer number (52513107).

Almost surely, 2105026213 is an apocalyptic number.

It is an amenable number.

105026213 is a deficient number, since it is larger than the sum of its proper divisors (1).

105026213 is an equidigital number, since it uses as much as digits as its factorization.

105026213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105026213 is about 10248.2297495714. The cubic root of 105026213 is about 471.8086534675.

Adding to 105026213 its reverse (312620501), we get a palindrome (417646714).

The spelling of 105026213 in words is "one hundred five million, twenty-six thousand, two hundred thirteen".