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89966000 = 245344983
BaseRepresentation
bin1010101110011…
…00010110110000
320021021202011002
411113030112300
5141012403000
612532141132
72141461355
oct527142660
9207252132
1089966000
1146868873
12261677a8
131583c627
14bd3c62c
157d718d5
hex55cc5b0

89966000 has 40 divisors (see below), whose sum is σ = 217542624. Its totient is φ = 35985600.

The previous prime is 89965987. The next prime is 89966011. The reversal of 89966000 is 66998.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20492 + ... + 24491.

Almost surely, 289966000 is an apocalyptic number.

89966000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89966000 is an abundant number, since it is smaller than the sum of its proper divisors (127576624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89966000 is a wasteful number, since it uses less digits than its factorization.

89966000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45006 (or 44990 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 89966000 is about 9485.0408538920. The cubic root of 89966000 is about 448.0840350437.

The spelling of 89966000 in words is "eighty-nine million, nine hundred sixty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 44983 89966 179932 224915 359864 449830 719728 899660 1124575 1799320 2249150 3598640 4498300 5622875 8996600 11245750 17993200 22491500 44983000 89966000