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550888689 = 31317883941
BaseRepresentation
bin100000110101011…
…110010011110001
31102101121001012210
4200311132103301
52112011414224
6130355242333
716436322321
oct4065362361
91371531183
10550888689
11262a6490a
121345a93a9
138a191b50
1453241281
153356b429
hex20d5e4f1

550888689 has 32 divisors (see below), whose sum is σ = 839389824. Its totient is φ = 318366720.

The previous prime is 550888687. The next prime is 550888691. The reversal of 550888689 is 986888055.

550888689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550888687) and next prime (550888691).

It is not a de Polignac number, because 550888689 - 21 = 550888687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550888687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584959 + ... + 585899.

It is an arithmetic number, because the mean of its divisors is an integer number (26230932).

Almost surely, 2550888689 is an apocalyptic number.

It is an amenable number.

550888689 is a deficient number, since it is larger than the sum of its proper divisors (288501135).

550888689 is a wasteful number, since it uses less digits than its factorization.

550888689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its (nonzero) digits is 5529600, while the sum is 57.

The square root of 550888689 is about 23471.0180648390. The cubic root of 550888689 is about 819.7623190772.

The spelling of 550888689 in words is "five hundred fifty million, eight hundred eighty-eight thousand, six hundred eighty-nine".

Divisors: 1 3 13 17 39 51 221 663 883 941 2649 2823 11479 12233 15011 15997 34437 36699 45033 47991 195143 207961 585429 623883 830903 2492709 10801739 14125351 32405217 42376053 183629563 550888689