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550461217 = 1928971643
BaseRepresentation
bin100000110011110…
…101111100100001
31102100210022211111
4200303311330201
52111404224332
6130342143321
716432562125
oct4063657441
91370708744
10550461217
112627a2729
12134421b41
138a0723c7
145316d585
15334d4947
hex20cf5f21

550461217 has 4 divisors (see below), whose sum is σ = 579432880. Its totient is φ = 521489556.

The previous prime is 550461193. The next prime is 550461257. The reversal of 550461217 is 712164055.

550461217 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550461217 - 27 = 550461089 is a prime.

It is a super-2 number, since 2×5504612172 = 606015102842242178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550461257) 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, 14485803 + ... + 14485840.

It is an arithmetic number, because the mean of its divisors is an integer number (144858220).

Almost surely, 2550461217 is an apocalyptic number.

It is an amenable number.

550461217 is a deficient number, since it is larger than the sum of its proper divisors (28971663).

550461217 is a wasteful number, since it uses less digits than its factorization.

550461217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28971662.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 550461217 is about 23461.9099179926. The cubic root of 550461217 is about 819.5502277638.

The spelling of 550461217 in words is "five hundred fifty million, four hundred sixty-one thousand, two hundred seventeen".

Divisors: 1 19 28971643 550461217