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550700089 = 3127572
BaseRepresentation
bin100000110100110…
…000010000111001
31102101020110111121
4200310300100321
52111434400324
6130351225241
716434605422
oct4064602071
91371213447
10550700089
11262946145
12134518221
138a127054
14531d2649
15335305e4
hex20d30439

550700089 has 9 divisors (see below), whose sum is σ = 569790351. Its totient is φ = 532231560.

The previous prime is 550700021. The next prime is 550700093. The reversal of 550700089 is 980007055.

The square root of 550700089 is 23467.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 340218025 + 210482064 = 18445^2 + 14508^2 .

It is not a de Polignac number, because 550700089 - 211 = 550698041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550707089) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 727099 + ... + 727855.

It is an arithmetic number, because the mean of its divisors is an integer number (63310039).

Almost surely, 2550700089 is an apocalyptic number.

550700089 is the 23467-th square number.

550700089 is the 11734-th centered octagonal number.

It is an amenable number.

550700089 is a deficient number, since it is larger than the sum of its proper divisors (19090262).

550700089 is an frugal number, since it uses more digits than its factorization.

550700089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The cubic root of 550700089 is about 819.6687582403.

The spelling of 550700089 in words is "five hundred fifty million, seven hundred thousand, eighty-nine".

Divisors: 1 31 757 961 23467 573049 727477 17764519 550700089