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45920789 is a prime number
BaseRepresentation
bin1010111100101…
…1001000010101
310012102000110222
42233023020111
543223431124
64320124125
71065214565
oct257131025
9105360428
1045920789
1123a14a72
1213466645
13968a785
146154da5
15407125e
hex2bcb215

45920789 has 2 divisors, whose sum is σ = 45920790. Its totient is φ = 45920788.

The previous prime is 45920747. The next prime is 45920807. The reversal of 45920789 is 98702954.

It is a happy number.

45920789 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., 45900625 + 20164 = 6775^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 45920789 - 212 = 45916693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45920729) 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, 22960394 + 22960395.

It is an arithmetic number, because the mean of its divisors is an integer number (22960395).

Almost surely, 245920789 is an apocalyptic number.

It is an amenable number.

45920789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45920789 is an equidigital number, since it uses as much as digits as its factorization.

45920789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 45920789 is about 6776.4879546857. The cubic root of 45920789 is about 358.0990045873.

The spelling of 45920789 in words is "forty-five million, nine hundred twenty thousand, seven hundred eighty-nine".