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89360849 is a prime number
BaseRepresentation
bin1010101001110…
…00100111010001
320020011000001002
411110320213101
5140334021344
612511151345
72133361154
oct524704721
9206130032
1089360849
1146495146
1225b15555
131568a056
14bc21c9b
157ca244e
hex55389d1

89360849 has 2 divisors, whose sum is σ = 89360850. Its totient is φ = 89360848.

The previous prime is 89360839. The next prime is 89360851. The reversal of 89360849 is 94806398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 34304449 = 7420^2 + 5857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89360849 is a prime.

It is a super-2 number, since 2×893608492 = 15970722668001602, which contains 22 as substring.

Together with 89360851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89360839) 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, 44680424 + 44680425.

It is an arithmetic number, because the mean of its divisors is an integer number (44680425).

Almost surely, 289360849 is an apocalyptic number.

It is an amenable number.

89360849 is a deficient number, since it is larger than the sum of its proper divisors (1).

89360849 is an equidigital number, since it uses as much as digits as its factorization.

89360849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 89360849 is about 9453.0867445507. The cubic root of 89360849 is about 447.0771036796.

It can be divided in two parts, 89360 and 849, that added together give a palindrome (90209).

The spelling of 89360849 in words is "eighty-nine million, three hundred sixty thousand, eight hundred forty-nine".