Search a number
-
+
550471085 = 5787139891
BaseRepresentation
bin100000110011111…
…000010110101101
31102100210211100222
4200303320112231
52111410033320
6130342301125
716432632653
oct4063702655
91370724328
10550471085
112627aa08a
121344277a5
138a076a48
1453172dd3
15334d7825
hex20cf85ad

550471085 has 8 divisors (see below), whose sum is σ = 661409376. Its totient is φ = 439814160.

The previous prime is 550471081. The next prime is 550471093. The reversal of 550471085 is 580174055.

550471085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 550471085 - 22 = 550471081 is a prime.

It is a super-3 number, since 3×5504710853 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550471081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66011 + ... + 73880.

It is an arithmetic number, because the mean of its divisors is an integer number (82676172).

Almost surely, 2550471085 is an apocalyptic number.

It is an amenable number.

550471085 is a deficient number, since it is larger than the sum of its proper divisors (110938291).

550471085 is a wasteful number, since it uses less digits than its factorization.

550471085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140683.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 550471085 is about 23462.1202153599. The cubic root of 550471085 is about 819.5551250348. Note that the first 3 decimals are identical.

The spelling of 550471085 in words is "five hundred fifty million, four hundred seventy-one thousand, eighty-five".

Divisors: 1 5 787 3935 139891 699455 110094217 550471085