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105094109 is a prime number
BaseRepresentation
bin1100100001110…
…01101111011101
321022202100000102
412100321233131
5203401002414
614232310445
72414166551
oct620715735
9238670012
10105094109
115436083a
122b242425
1318a08383
14dd59861
15935dede
hex6439bdd

105094109 has 2 divisors, whose sum is σ = 105094110. Its totient is φ = 105094108.

The previous prime is 105094091. The next prime is 105094117. The reversal of 105094109 is 901490501.

Together with previous prime (105094091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 34164025 = 8422^2 + 5845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105094109 is a prime.

It is a super-2 number, since 2×1050941092 = 22089543493007762, which contains 22 as substring.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105094139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52547054 + 52547055.

It is an arithmetic number, because the mean of its divisors is an integer number (52547055).

Almost surely, 2105094109 is an apocalyptic number.

It is an amenable number.

105094109 is a deficient number, since it is larger than the sum of its proper divisors (1).

105094109 is an equidigital number, since it uses as much as digits as its factorization.

105094109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 105094109 is about 10251.5417864827. The cubic root of 105094109 is about 471.9103011703.

It can be divided in two parts, 1050 and 94109, that added together give a palindrome (95159).

The spelling of 105094109 in words is "one hundred five million, ninety-four thousand, one hundred nine".