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45771797 is a prime number
BaseRepresentation
bin1010111010011…
…0110000010101
310012010110002202
42232212300111
543204144142
64313014245
71064024321
oct256466025
9105113082
1045771797
1123923035
12133b4385
139637a06
146116981
154042032
hex2ba6c15

45771797 has 2 divisors, whose sum is σ = 45771798. Its totient is φ = 45771796.

The previous prime is 45771767. The next prime is 45771799. The reversal of 45771797 is 79717754.

It is a happy number.

45771797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 9278116 = 6041^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 45771797 - 210 = 45770773 is a prime.

Together with 45771799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45771799) 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, 22885898 + 22885899.

It is an arithmetic number, because the mean of its divisors is an integer number (22885899).

Almost surely, 245771797 is an apocalyptic number.

It is an amenable number.

45771797 is a deficient number, since it is larger than the sum of its proper divisors (1).

45771797 is an equidigital number, since it uses as much as digits as its factorization.

45771797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432180, while the sum is 47.

The square root of 45771797 is about 6765.4857179659. The cubic root of 45771797 is about 357.7112956992.

The spelling of 45771797 in words is "forty-five million, seven hundred seventy-one thousand, seven hundred ninety-seven".