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89031469 is a prime number
BaseRepresentation
bin1010100111010…
…00001100101101
320012112021012211
411103220030231
5140243001334
612500130421
72130516652
oct523501455
9205467184
1089031469
114628a72a
1225996a11
13155a3157
14bb77c29
157c39a64
hex54e832d

89031469 has 2 divisors, whose sum is σ = 89031470. Its totient is φ = 89031468.

The previous prime is 89031463. The next prime is 89031487. The reversal of 89031469 is 96413098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79655625 + 9375844 = 8925^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 89031469 - 217 = 88900397 is a prime.

It is a super-2 number, since 2×890314692 = 15853204944595922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89031463) 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, 44515734 + 44515735.

It is an arithmetic number, because the mean of its divisors is an integer number (44515735).

Almost surely, 289031469 is an apocalyptic number.

It is an amenable number.

89031469 is a deficient number, since it is larger than the sum of its proper divisors (1).

89031469 is an equidigital number, since it uses as much as digits as its factorization.

89031469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 89031469 is about 9435.6488383153. The cubic root of 89031469 is about 446.5271254787.

The spelling of 89031469 in words is "eighty-nine million, thirty-one thousand, four hundred sixty-nine".