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89386457 is a prime number
BaseRepresentation
bin1010101001111…
…10110111011001
320020012022011112
411110332313121
5140340331312
612511510105
72133525626
oct524766731
9206168145
1089386457
1146502406
1225b28335
13156988c4
14bc2b34d
157ca9d22
hex553edd9

89386457 has 2 divisors, whose sum is σ = 89386458. Its totient is φ = 89386456.

The previous prime is 89386447. The next prime is 89386477. The reversal of 89386457 is 75468398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68079001 + 21307456 = 8251^2 + 4616^2 .

It is a cyclic number.

It is not a de Polignac number, because 89386457 - 212 = 89382361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89386417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44693228 + 44693229.

It is an arithmetic number, because the mean of its divisors is an integer number (44693229).

Almost surely, 289386457 is an apocalyptic number.

It is an amenable number.

89386457 is a deficient number, since it is larger than the sum of its proper divisors (1).

89386457 is an equidigital number, since it uses as much as digits as its factorization.

89386457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 89386457 is about 9454.4411257356. The cubic root of 89386457 is about 447.1198056650.

The spelling of 89386457 in words is "eighty-nine million, three hundred eighty-six thousand, four hundred fifty-seven".