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89006923 = 635913997
BaseRepresentation
bin1010100111000…
…10001101001011
320012111000112201
411103202031023
5140241210143
612455421031
72130355255
oct523421513
9205430481
1089006923
1146273245
1225984777
1315594c25
14bb6ccd5
157c3264d
hex54e234b

89006923 has 4 divisors (see below), whose sum is σ = 89027280. Its totient is φ = 88986568.

The previous prime is 89006899. The next prime is 89006933. The reversal of 89006923 is 32960098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89006923 - 25 = 89006891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89006933) 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 in 3 ways as a sum of consecutive naturals, for example, 640 + ... + 13357.

It is an arithmetic number, because the mean of its divisors is an integer number (22256820).

Almost surely, 289006923 is an apocalyptic number.

89006923 is a deficient number, since it is larger than the sum of its proper divisors (20357).

89006923 is a wasteful number, since it uses less digits than its factorization.

89006923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20356.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 89006923 is about 9434.3480431877. The cubic root of 89006923 is about 446.4860858240.

The spelling of 89006923 in words is "eighty-nine million, six thousand, nine hundred twenty-three".

Divisors: 1 6359 13997 89006923