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105305453 = 112919947
BaseRepresentation
bin1100100011011…
…01010101101101
321100011001220222
412101231111231
5203424233303
614241021125
72416036661
oct621552555
9240131828
10105305453
1154495600
122b3247a5
1318a80626
14ddb28a1
1593a1938
hex646d56d

105305453 has 12 divisors (see below), whose sum is σ = 115997280. Its totient is φ = 95527080.

The previous prime is 105305413. The next prime is 105305489. The reversal of 105305453 is 354503501.

It is not a de Polignac number, because 105305453 - 28 = 105305197 is a prime.

It is a super-2 number, since 2×1053054532 = 22178476863070418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105305413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110726 + ... + 111672.

It is an arithmetic number, because the mean of its divisors is an integer number (9666440).

Almost surely, 2105305453 is an apocalyptic number.

It is an amenable number.

105305453 is a deficient number, since it is larger than the sum of its proper divisors (10691827).

105305453 is an equidigital number, since it uses as much as digits as its factorization.

105305453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 105305453 is about 10261.8445223069. The cubic root of 105305453 is about 472.2264261822.

Adding to 105305453 its reverse (354503501), we get a palindrome (459808954).

The spelling of 105305453 in words is "one hundred five million, three hundred five thousand, four hundred fifty-three".

Divisors: 1 11 121 919 947 10109 10417 111199 114587 870293 9573223 105305453