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89488169 is a prime number
BaseRepresentation
bin1010101010101…
…11101100101001
320020101110200122
411111113230221
5140402110134
612514013025
72134431311
oct525275451
9206343618
1089488169
1146571871
1225b77175
1315702ca4
14bc56441
157cca02e
hex5557b29

89488169 has 2 divisors, whose sum is σ = 89488170. Its totient is φ = 89488168.

The previous prime is 89488129. The next prime is 89488183. The reversal of 89488169 is 96188498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88604569 + 883600 = 9413^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-89488169 is a prime.

It is a super-3 number, since 3×894881693 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 89488169.

It is not a weakly prime, because it can be changed into another prime (89488129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44744084 + 44744085.

It is an arithmetic number, because the mean of its divisors is an integer number (44744085).

Almost surely, 289488169 is an apocalyptic number.

It is an amenable number.

89488169 is a deficient number, since it is larger than the sum of its proper divisors (1).

89488169 is an equidigital number, since it uses as much as digits as its factorization.

89488169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 53.

The square root of 89488169 is about 9459.8186557671. The cubic root of 89488169 is about 447.2893325063.

The spelling of 89488169 in words is "eighty-nine million, four hundred eighty-eight thousand, one hundred sixty-nine".