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89189969 = 1110180279
BaseRepresentation
bin1010101000011…
…10111001010001
320012211022122012
411110032321101
5140313034334
612503352305
72132050031
oct524167121
9205738565
1089189969
1146388820
1225a52695
131562a33b
14bbb98c1
157c6b9ce
hex550ee51

89189969 has 8 divisors (see below), whose sum is σ = 98262720. Its totient is φ = 80278000.

The previous prime is 89189963. The next prime is 89189981. The reversal of 89189969 is 96998198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89189969 - 24 = 89189953 is a prime.

It is a super-2 number, since 2×891899692 = 15909701140441922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89189963) 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 7 ways as a sum of consecutive naturals, for example, 39029 + ... + 41250.

It is an arithmetic number, because the mean of its divisors is an integer number (12282840).

Almost surely, 289189969 is an apocalyptic number.

It is an amenable number.

89189969 is a deficient number, since it is larger than the sum of its proper divisors (9072751).

89189969 is a wasteful number, since it uses less digits than its factorization.

89189969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80391.

The product of its digits is 2519424, while the sum is 59.

The square root of 89189969 is about 9444.0441019724. The cubic root of 89189969 is about 446.7919479151.

The spelling of 89189969 in words is "eighty-nine million, one hundred eighty-nine thousand, nine hundred sixty-nine".

Divisors: 1 11 101 1111 80279 883069 8108179 89189969