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45171617 is a prime number
BaseRepresentation
bin1010110001010…
…0001110100001
310010222221210212
42230110032201
543030442432
64252103505
71055644451
oct254241641
9103887725
1045171617
1123553117
1213164b95
13948778a
145ddbd61
153e742b2
hex2b143a1

45171617 has 2 divisors, whose sum is σ = 45171618. Its totient is φ = 45171616.

The previous prime is 45171587. The next prime is 45171667. The reversal of 45171617 is 71617154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 3129361 = 6484^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 45171617 - 216 = 45106081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45171667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22585808 + 22585809.

It is an arithmetic number, because the mean of its divisors is an integer number (22585809).

Almost surely, 245171617 is an apocalyptic number.

It is an amenable number.

45171617 is a deficient number, since it is larger than the sum of its proper divisors (1).

45171617 is an equidigital number, since it uses as much as digits as its factorization.

45171617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 32.

The square root of 45171617 is about 6720.9833357925. The cubic root of 45171617 is about 356.1409223049.

The spelling of 45171617 in words is "forty-five million, one hundred seventy-one thousand, six hundred seventeen".