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45152005 = 59030401
BaseRepresentation
bin1010110000111…
…1011100000101
310010221221220111
42230033130011
543024331010
64251433021
71055533333
oct254173405
9103857814
1045152005
112353a408
1213155771
13947b882
145dd4b53
153e6d58a
hex2b0f705

45152005 has 4 divisors (see below), whose sum is σ = 54182412. Its totient is φ = 36121600.

The previous prime is 45151979. The next prime is 45152053. The reversal of 45152005 is 50025154.

45152005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50025154 = 225012577.

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 14615329 = 5526^2 + 3823^2 .

It is not a de Polignac number, because 45152005 - 25 = 45151973 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4515196 + ... + 4515205.

It is an arithmetic number, because the mean of its divisors is an integer number (13545603).

Almost surely, 245152005 is an apocalyptic number.

It is an amenable number.

45152005 is a deficient number, since it is larger than the sum of its proper divisors (9030407).

45152005 is an equidigital number, since it uses as much as digits as its factorization.

45152005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030406.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 45152005 is about 6719.5241647010. The cubic root of 45152005 is about 356.0893733654.

Adding to 45152005 its reverse (50025154), we get a palindrome (95177159).

The spelling of 45152005 in words is "forty-five million, one hundred fifty-two thousand, five".

Divisors: 1 5 9030401 45152005