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45206917 = 761105871
BaseRepresentation
bin1010110001110…
…0110110000101
310011001202020021
42230130312011
543033110132
64252535141
71056152410
oct254346605
9104052207
1045206917
1123577698
12131814b1
13949a872
14600ab77
153e7e997
hex2b1cd85

45206917 has 8 divisors (see below), whose sum is σ = 52512512. Its totient is φ = 38113200.

The previous prime is 45206899. The next prime is 45206923. The reversal of 45206917 is 71960254.

45206917 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 a de Polignac number, because none of the positive numbers 2k-45206917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45206957) by changing a digit.

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, 52509 + ... + 53362.

It is an arithmetic number, because the mean of its divisors is an integer number (6564064).

Almost surely, 245206917 is an apocalyptic number.

It is an amenable number.

45206917 is a deficient number, since it is larger than the sum of its proper divisors (7305595).

45206917 is a wasteful number, since it uses less digits than its factorization.

45206917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105939.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 45206917 is about 6723.6089267595. The cubic root of 45206917 is about 356.2336686060.

The spelling of 45206917 in words is "forty-five million, two hundred six thousand, nine hundred seventeen".

Divisors: 1 7 61 427 105871 741097 6458131 45206917