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89076881 is a prime number
BaseRepresentation
bin1010100111100…
…11010010010001
320012121120111202
411103303102101
5140300430011
612501120545
72131066235
oct523632221
9205546452
1089076881
1146310863
12259b9155
13155baa1a
14bb8a5c5
157c4823b
hex54f3491

89076881 has 2 divisors, whose sum is σ = 89076882. Its totient is φ = 89076880.

The previous prime is 89076853. The next prime is 89076901. The reversal of 89076881 is 18867098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88529281 + 547600 = 9409^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 89076881 - 26 = 89076817 is a prime.

It is a super-2 number, since 2×890768812 = 15869381457376322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89076811) 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, 44538440 + 44538441.

It is an arithmetic number, because the mean of its divisors is an integer number (44538441).

Almost surely, 289076881 is an apocalyptic number.

It is an amenable number.

89076881 is a deficient number, since it is larger than the sum of its proper divisors (1).

89076881 is an equidigital number, since it uses as much as digits as its factorization.

89076881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 89076881 is about 9438.0549373269. The cubic root of 89076881 is about 446.6030321342.

The spelling of 89076881 in words is "eighty-nine million, seventy-six thousand, eight hundred eighty-one".