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89000071 = 92419631
BaseRepresentation
bin1010100111000…
…00100010000111
320012110200010221
411103200202013
5140241000241
612455325211
72130326266
oct523404207
9205420127
1089000071
1146269086
1225980807
1315591a84
14bb6a5dd
157c305d1
hex54e0887

89000071 has 4 divisors (see below), whose sum is σ = 89018944. Its totient is φ = 88981200.

The previous prime is 89000027. The next prime is 89000099. The reversal of 89000071 is 17000098.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 89000071 - 27 = 88999943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89000671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (22254736).

Almost surely, 289000071 is an apocalyptic number.

89000071 is a deficient number, since it is larger than the sum of its proper divisors (18873).

89000071 is an equidigital number, since it uses as much as digits as its factorization.

89000071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18872.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 89000071 is about 9433.9848950483. The cubic root of 89000071 is about 446.4746282839.

The spelling of 89000071 in words is "eighty-nine million, seventy-one", and thus it is an aban number and an uban number.

Divisors: 1 9241 9631 89000071