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105340205 = 521068041
BaseRepresentation
bin1100100011101…
…01110100101101
321100012211121002
412101311310231
5203431341310
614241450045
72416243205
oct621656455
9240184532
10105340205
1154509723
122b340925
1318a933a9
14ddc1405
1593abda5
hex6475d2d

105340205 has 4 divisors (see below), whose sum is σ = 126408252. Its totient is φ = 84272160.

The previous prime is 105340181. The next prime is 105340223. The reversal of 105340205 is 502043501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502043501 = 1812773721.

It can be written as a sum of positive squares in 2 ways, for example, as 29528356 + 75811849 = 5434^2 + 8707^2 .

It is not a de Polignac number, because 105340205 - 26 = 105340141 is a prime.

It is a super-3 number, since 3×1053402053 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10534016 + ... + 10534025.

It is an arithmetic number, because the mean of its divisors is an integer number (31602063).

Almost surely, 2105340205 is an apocalyptic number.

It is an amenable number.

105340205 is a deficient number, since it is larger than the sum of its proper divisors (21068047).

105340205 is an equidigital number, since it uses as much as digits as its factorization.

105340205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21068046.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 105340205 is about 10263.5376454710. The cubic root of 105340205 is about 472.2783671703.

Adding to 105340205 its reverse (502043501), we get a palindrome (607383706).

The spelling of 105340205 in words is "one hundred five million, three hundred forty thousand, two hundred five".

Divisors: 1 5 21068041 105340205