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550440005 = 5791817699
BaseRepresentation
bin100000110011110…
…000110001000101
31102100202020201212
4200303300301011
52111403040010
6130341501205
716432443233
oct4063606105
91370666655
10550440005
112627887a5
12134411805
138a06585b
1453165953
15334cd505
hex20cf0c45

550440005 has 16 divisors (see below), whose sum is σ = 672672000. Its totient is φ = 432319680.

The previous prime is 550439987. The next prime is 550440031. The reversal of 550440005 is 500044055.

It is not a de Polignac number, because 550440005 - 216 = 550374469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67646 + ... + 75344.

It is an arithmetic number, because the mean of its divisors is an integer number (42042000).

Almost surely, 2550440005 is an apocalyptic number.

It is an amenable number.

550440005 is a deficient number, since it is larger than the sum of its proper divisors (122231995).

550440005 is a wasteful number, since it uses less digits than its factorization.

550440005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 550440005 is about 23461.4578617783. The cubic root of 550440005 is about 819.5397005173.

The spelling of 550440005 in words is "five hundred fifty million, four hundred forty thousand, five".

Divisors: 1 5 79 181 395 905 7699 14299 38495 71495 608221 1393519 3041105 6967595 110088001 550440005