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550070189 = 2017272717
BaseRepresentation
bin100000110010010…
…110011110101101
31102100001110102222
4200302112132231
52111304221224
6130325525125
716426343114
oct4062263655
91370043388
10550070189
11262555969
121342737a5
1389c66426
14530aac7b
1533458b5e
hex20c967ad

550070189 has 4 divisors (see below), whose sum is σ = 550344924. Its totient is φ = 549795456.

The previous prime is 550070177. The next prime is 550070203. The reversal of 550070189 is 981070055.

550070189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423124900 + 126945289 = 20570^2 + 11267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550070189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550070119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134342 + ... + 138375.

It is an arithmetic number, because the mean of its divisors is an integer number (137586231).

Almost surely, 2550070189 is an apocalyptic number.

It is an amenable number.

550070189 is a deficient number, since it is larger than the sum of its proper divisors (274735).

550070189 is a wasteful number, since it uses less digits than its factorization.

550070189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274734.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 550070189 is about 23453.5751858858. The cubic root of 550070189 is about 819.3561220519.

The spelling of 550070189 in words is "five hundred fifty million, seventy thousand, one hundred eighty-nine".

Divisors: 1 2017 272717 550070189