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550109071 = 1942716779
BaseRepresentation
bin100000110010011…
…111111110001111
31102100010102210001
4200302133332033
52111311442241
6130330425131
716426564351
oct4062377617
91370112701
10550109071
112625820a6
121342921a7
1389c7b035
14530bb0d1
1533465431
hex20c9ff8f

550109071 has 8 divisors (see below), whose sum is σ = 579283200. Its totient is φ = 520957080.

The previous prime is 550109059. The next prime is 550109099. The reversal of 550109071 is 170901055.

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 550109071 - 27 = 550108943 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 (550109011) 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, 77760 + ... + 84538.

It is an arithmetic number, because the mean of its divisors is an integer number (72410400).

Almost surely, 2550109071 is an apocalyptic number.

550109071 is a deficient number, since it is larger than the sum of its proper divisors (29174129).

550109071 is a wasteful number, since it uses less digits than its factorization.

550109071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 550109071 is about 23454.4040853738. The cubic root of 550109071 is about 819.3754271362.

The spelling of 550109071 in words is "five hundred fifty million, one hundred nine thousand, seventy-one".

Divisors: 1 19 4271 6779 81149 128801 28953109 550109071