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105796909 is a prime number
BaseRepresentation
bin1100100111001…
…01010100101101
321101002001002001
412103211110231
5204041000114
614255332301
72423154541
oct623452455
9241061061
10105796909
11547a0869
122b521091
1318bc322a
141009da21
15944c374
hex64e552d

105796909 has 2 divisors, whose sum is σ = 105796910. Its totient is φ = 105796908.

The previous prime is 105796903. The next prime is 105796961. The reversal of 105796909 is 909697501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103591684 + 2205225 = 10178^2 + 1485^2 .

It is an emirp because it is prime and its reverse (909697501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105796909 - 211 = 105794861 is a prime.

It is a super-2 number, since 2×1057969092 = 22385971907908562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105796903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52898454 + 52898455.

It is an arithmetic number, because the mean of its divisors is an integer number (52898455).

Almost surely, 2105796909 is an apocalyptic number.

It is an amenable number.

105796909 is a deficient number, since it is larger than the sum of its proper divisors (1).

105796909 is an equidigital number, since it uses as much as digits as its factorization.

105796909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 105796909 is about 10285.7624413555. The cubic root of 105796909 is about 472.9599064330.

The spelling of 105796909 in words is "one hundred five million, seven hundred ninety-six thousand, nine hundred nine".