Search a number
-
+
550861085 = 5271340609
BaseRepresentation
bin100000110101010…
…111100100011101
31102101112122100102
4200311113210131
52112010023320
6130354510445
716436145665
oct4065274435
91371478312
10550861085
11262a460a5
12134595425
138a182408
14532351a5
1533563175
hex20d5791d

550861085 has 8 divisors (see below), whose sum is σ = 661293240. Its totient is φ = 440515584.

The previous prime is 550861079. The next prime is 550861121. The reversal of 550861085 is 580168055.

550861085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 127283524 + 423577561 = 11282^2 + 20581^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 550861085 - 212 = 550856989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740 + ... + 33869.

It is an arithmetic number, because the mean of its divisors is an integer number (82661655).

Almost surely, 2550861085 is an apocalyptic number.

It is an amenable number.

550861085 is a deficient number, since it is larger than the sum of its proper divisors (110432155).

550861085 is a wasteful number, since it uses less digits than its factorization.

550861085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43327.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 550861085 is about 23470.4300131037. The cubic root of 550861085 is about 819.7486265972.

The spelling of 550861085 in words is "five hundred fifty million, eight hundred sixty-one thousand, eighty-five".

Divisors: 1 5 2713 13565 40609 203045 110172217 550861085