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45430369 is a prime number
BaseRepresentation
bin1010110101001…
…1011001100001
310011111002202021
42231103121201
543112232434
64301421441
71061103025
oct255233141
9104432667
1045430369
112370a566
121326a881
13954849a
146068385
153ec5cb4
hex2b53661

45430369 has 2 divisors, whose sum is σ = 45430370. Its totient is φ = 45430368.

The previous prime is 45430361. The next prime is 45430391. The reversal of 45430369 is 96303454.

It is a happy number.

45430369 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., 44957025 + 473344 = 6705^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 45430369 - 23 = 45430361 is a prime.

It is a super-2 number, since 2×454303692 = 4127836854952322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45430361) 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, 22715184 + 22715185.

It is an arithmetic number, because the mean of its divisors is an integer number (22715185).

Almost surely, 245430369 is an apocalyptic number.

It is an amenable number.

45430369 is a deficient number, since it is larger than the sum of its proper divisors (1).

45430369 is an equidigital number, since it uses as much as digits as its factorization.

45430369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 45430369 is about 6740.2054123001. The cubic root of 45430369 is about 356.8196433287.

The spelling of 45430369 in words is "forty-five million, four hundred thirty thousand, three hundred sixty-nine".