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89069 is a prime number
BaseRepresentation
bin10101101111101101
311112011212
4111233231
510322234
61524205
7520451
oct255755
9145155
1089069
1160a12
1243665
1331706
1424661
151b5ce
hex15bed

89069 has 2 divisors, whose sum is σ = 89070. Its totient is φ = 89068.

The previous prime is 89057. The next prime is 89071. The reversal of 89069 is 96098.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62500 + 26569 = 250^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 89069 - 28 = 88813 is a prime.

It is a super-2 number, since 2×890692 = 15866573522, which contains 22 as substring.

Together with 89071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44534 + 44535.

It is an arithmetic number, because the mean of its divisors is an integer number (44535).

289069 is an apocalyptic number.

It is an amenable number.

89069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89069 is an equidigital number, since it uses as much as digits as its factorization.

89069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 89069 is about 298.4442996608. Note that the first 3 decimals coincide. The cubic root of 89069 is about 44.6589860807.

It can be divided in two parts, 890 and 69, that added together give a palindrome (959).

The spelling of 89069 in words is "eighty-nine thousand, sixty-nine".