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89884517 is a prime number
BaseRepresentation
bin1010101101110…
…00011101100101
320021010121101012
411112320131211
5141002301032
612530312005
72141001662
oct526703545
9207117335
1089884517
1146812628
1226128605
1315811508
14bd1aa69
157d576b2
hex55b8765

89884517 has 2 divisors, whose sum is σ = 89884518. Its totient is φ = 89884516.

The previous prime is 89884493. The next prime is 89884547. The reversal of 89884517 is 71548898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 3189796 = 9311^2 + 1786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89884517 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89884547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44942258 + 44942259.

It is an arithmetic number, because the mean of its divisors is an integer number (44942259).

Almost surely, 289884517 is an apocalyptic number.

It is an amenable number.

89884517 is a deficient number, since it is larger than the sum of its proper divisors (1).

89884517 is an equidigital number, since it uses as much as digits as its factorization.

89884517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 50.

The square root of 89884517 is about 9480.7445382734. The cubic root of 89884517 is about 447.9487162943.

The spelling of 89884517 in words is "eighty-nine million, eight hundred eighty-four thousand, five hundred seventeen".