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105328045 = 521065609
BaseRepresentation
bin1100100011100…
…10110110101101
321100012012220201
412101302312231
5203430444140
614241313501
72416162564
oct621626655
9240165821
10105328045
1154500579
122b335891
1318a8a9b4
14ddbabdb
1593a849a
hex6472dad

105328045 has 4 divisors (see below), whose sum is σ = 126393660. Its totient is φ = 84262432.

The previous prime is 105328043. The next prime is 105328051. The reversal of 105328045 is 540823501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67947049 + 37380996 = 8243^2 + 6114^2 .

It is a cyclic number.

It is not a de Polignac number, because 105328045 - 21 = 105328043 is a prime.

It is a super-2 number, since 2×1053280452 = 22187994127044050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105328043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10532800 + ... + 10532809.

It is an arithmetic number, because the mean of its divisors is an integer number (31598415).

Almost surely, 2105328045 is an apocalyptic number.

It is an amenable number.

105328045 is a deficient number, since it is larger than the sum of its proper divisors (21065615).

105328045 is an equidigital number, since it uses as much as digits as its factorization.

105328045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21065614.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105328045 is about 10262.9452400371. The cubic root of 105328045 is about 472.2601939067.

The spelling of 105328045 in words is "one hundred five million, three hundred twenty-eight thousand, forty-five".

Divisors: 1 5 21065609 105328045