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455617109 is a prime number
BaseRepresentation
bin11011001010000…
…010101001010101
31011202022202011202
4123022002221111
51413114221414
6113113242245
714201452523
oct3312025125
91152282152
10455617109
11214202972
12108703385
137351562c
1444721313
1529eec9de
hex1b282a55

455617109 has 2 divisors, whose sum is σ = 455617110. Its totient is φ = 455617108.

The previous prime is 455617103. The next prime is 455617139. The reversal of 455617109 is 901716554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314530225 + 141086884 = 17735^2 + 11878^2 .

It is a cyclic number.

It is not a de Polignac number, because 455617109 - 212 = 455613013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455617103) 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 as a sum of consecutive naturals, namely, 227808554 + 227808555.

It is an arithmetic number, because the mean of its divisors is an integer number (227808555).

Almost surely, 2455617109 is an apocalyptic number.

It is an amenable number.

455617109 is a deficient number, since it is larger than the sum of its proper divisors (1).

455617109 is an equidigital number, since it uses as much as digits as its factorization.

455617109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 455617109 is about 21345.1893643509. The cubic root of 455617109 is about 769.4847337006.

The spelling of 455617109 in words is "four hundred fifty-five million, six hundred seventeen thousand, one hundred nine".