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45079081 is a prime number
BaseRepresentation
bin1010101111110…
…1101000101001
310010211020212121
42223331220221
543020012311
64250111241
71055110615
oct253755051
9103736777
1045079081
112349a643
121311b521
139454618
145db6345
153e56b71
hex2afda29

45079081 has 2 divisors, whose sum is σ = 45079082. Its totient is φ = 45079080.

The previous prime is 45079051. The next prime is 45079109. The reversal of 45079081 is 18097054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44675856 + 403225 = 6684^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 45079081 - 29 = 45078569 is a prime.

It is a super-2 number, since 2×450790812 = 4064247087609122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45079051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22539540 + 22539541.

It is an arithmetic number, because the mean of its divisors is an integer number (22539541).

Almost surely, 245079081 is an apocalyptic number.

It is an amenable number.

45079081 is a deficient number, since it is larger than the sum of its proper divisors (1).

45079081 is an equidigital number, since it uses as much as digits as its factorization.

45079081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 45079081 is about 6714.0956948795. The cubic root of 45079081 is about 355.8975660556.

The spelling of 45079081 in words is "forty-five million, seventy-nine thousand, eighty-one".