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45312105 = 353020807
BaseRepresentation
bin1010110011011…
…0100001101001
310011021002112010
42230312201221
543044441410
64255110133
71060101156
oct254664151
9104232463
1045312105
1123639723
1213212349
1395066c7
14603722d
153ea0c20
hex2b36869

45312105 has 8 divisors (see below), whose sum is σ = 72499392. Its totient is φ = 24166448.

The previous prime is 45312079. The next prime is 45312119. The reversal of 45312105 is 50121354.

45312105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45312105 - 25 = 45312073 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510389 + ... + 1510418.

It is an arithmetic number, because the mean of its divisors is an integer number (9062424).

Almost surely, 245312105 is an apocalyptic number.

It is an amenable number.

45312105 is a deficient number, since it is larger than the sum of its proper divisors (27187287).

45312105 is a wasteful number, since it uses less digits than its factorization.

45312105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020815.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45312105 is about 6731.4266689908. The cubic root of 45312105 is about 356.5097508524.

Adding to 45312105 its reverse (50121354), we get a palindrome (95433459).

Subtracting 45312105 from its reverse (50121354), we obtain a square (4809249 = 21932).

The spelling of 45312105 in words is "forty-five million, three hundred twelve thousand, one hundred five".

Divisors: 1 3 5 15 3020807 9062421 15104035 45312105