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89080900 = 2252890809
BaseRepresentation
bin1010100111101…
…00010001000100
320012121210000121
411103310101010
5140301042100
612501151324
72131114036
oct523642104
9205553017
1089080900
1146313887
12259bb544
13155bc7bc
14bb8bc56
157c4951a
hex54f4444

89080900 has 18 divisors (see below), whose sum is σ = 193305770. Its totient is φ = 35632320.

The previous prime is 89080897. The next prime is 89080913. The reversal of 89080900 is 908098.

It can be written as a sum of positive squares in 3 ways, for example, as 7214596 + 81866304 = 2686^2 + 9048^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 445305 + ... + 445504.

Almost surely, 289080900 is an apocalyptic number.

It is an amenable number.

89080900 is an abundant number, since it is smaller than the sum of its proper divisors (104224870).

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

89080900 is a wasteful number, since it uses less digits than its factorization.

89080900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890823 (or 890816 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 89080900 is about 9438.2678495580. The cubic root of 89080900 is about 446.6097486940.

Adding to 89080900 its reverse (908098), we get a palindrome (89988998).

The spelling of 89080900 in words is "eighty-nine million, eighty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 890809 1781618 3563236 4454045 8908090 17816180 22270225 44540450 89080900