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45691697 is a prime number
BaseRepresentation
bin1010111001001…
…1001100110001
310011222101020002
42232103030301
543144113242
64311155345
71063241642
oct256231461
9104871202
1045691697
1123878937
1213375b55
13960a40c
1460d56c9
154028432
hex2b93331

45691697 has 2 divisors, whose sum is σ = 45691698. Its totient is φ = 45691696.

The previous prime is 45691687. The next prime is 45691721. The reversal of 45691697 is 79619654.

45691697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25969216 + 19722481 = 5096^2 + 4441^2 .

It is a cyclic number.

It is not a de Polignac number, because 45691697 - 28 = 45691441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45691627) 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, 22845848 + 22845849.

It is an arithmetic number, because the mean of its divisors is an integer number (22845849).

Almost surely, 245691697 is an apocalyptic number.

It is an amenable number.

45691697 is a deficient number, since it is larger than the sum of its proper divisors (1).

45691697 is an equidigital number, since it uses as much as digits as its factorization.

45691697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 45691697 is about 6759.5633734732. The cubic root of 45691697 is about 357.5025106186.

The spelling of 45691697 in words is "forty-five million, six hundred ninety-one thousand, six hundred ninety-seven".