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45086813 is a prime number
BaseRepresentation
bin1010101111111…
…1100001011101
310010211122110222
42223333201131
543020234223
64250211125
71055142302
oct253774135
9103748428
1045086813
11234a5432
1213123aa5
139457cb5
145db90a9
153e590c8
hex2aff85d

45086813 has 2 divisors, whose sum is σ = 45086814. Its totient is φ = 45086812.

The previous prime is 45086807. The next prime is 45086903. The reversal of 45086813 is 31868054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 5484964 = 6293^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 45086813 - 26 = 45086749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45086413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22543406 + 22543407.

It is an arithmetic number, because the mean of its divisors is an integer number (22543407).

Almost surely, 245086813 is an apocalyptic number.

It is an amenable number.

45086813 is a deficient number, since it is larger than the sum of its proper divisors (1).

45086813 is an equidigital number, since it uses as much as digits as its factorization.

45086813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 45086813 is about 6714.6714737208. The cubic root of 45086813 is about 355.9179128373.

The spelling of 45086813 in words is "forty-five million, eighty-six thousand, eight hundred thirteen".