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89960917 is a prime number
BaseRepresentation
bin1010101110010…
…11000111010101
320021021111011211
411113023013111
5141012222132
612532101421
72141440504
oct527130725
9207244154
1089960917
1146864a72
1226164871
131583a217
14bd3a83b
157d70147
hex55cb1d5

89960917 has 2 divisors, whose sum is σ = 89960918. Its totient is φ = 89960916.

The previous prime is 89960911. The next prime is 89960951. The reversal of 89960917 is 71906998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49434961 + 40525956 = 7031^2 + 6366^2 .

It is a cyclic number.

It is not a de Polignac number, because 89960917 - 27 = 89960789 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 (89960911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44980458 + 44980459.

It is an arithmetic number, because the mean of its divisors is an integer number (44980459).

Almost surely, 289960917 is an apocalyptic number.

It is an amenable number.

89960917 is a deficient number, since it is larger than the sum of its proper divisors (1).

89960917 is an equidigital number, since it uses as much as digits as its factorization.

89960917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 89960917 is about 9484.7729018675. The cubic root of 89960917 is about 448.0755960999.

It can be divided in two parts, 899 and 60917, that added together give a palindrome (61816).

The spelling of 89960917 in words is "eighty-nine million, nine hundred sixty thousand, nine hundred seventeen".