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89200823 = 109381611
BaseRepresentation
bin1010101000100…
…01100010110111
320012211212112012
411110101202313
5140313411243
612503514435
72132123465
oct524214267
9205755465
1089200823
1146395998
1225a58a1b
131563226a
14bbbd835
157c6ed18
hex55118b7

89200823 has 4 divisors (see below), whose sum is σ = 89283528. Its totient is φ = 89118120.

The previous prime is 89200777. The next prime is 89200841. The reversal of 89200823 is 32800298.

It is a happy number.

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 89200823 - 214 = 89184439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89200823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89200123) 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, 39713 + ... + 41898.

It is an arithmetic number, because the mean of its divisors is an integer number (22320882).

Almost surely, 289200823 is an apocalyptic number.

89200823 is a deficient number, since it is larger than the sum of its proper divisors (82705).

89200823 is a wasteful number, since it uses less digits than its factorization.

89200823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82704.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 89200823 is about 9444.6187323788. The cubic root of 89200823 is about 446.8100713400.

The spelling of 89200823 in words is "eighty-nine million, two hundred thousand, eight hundred twenty-three".

Divisors: 1 1093 81611 89200823