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550334428 = 22719654801
BaseRepresentation
bin100000110011010…
…110111111011100
31102100112212220121
4200303112333130
52111341200203
6130335324324
716431523360
oct4063267734
91370485817
10550334428
11262716446
121343806a4
138a029797
14531392a0
15334ac0bd
hex20cd6fdc

550334428 has 12 divisors (see below), whose sum is σ = 1100668912. Its totient is φ = 235857600.

The previous prime is 550334417. The next prime is 550334429. The reversal of 550334428 is 824433055.

550334428 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 550334393 and 550334402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550334429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827373 + ... + 9827428.

Almost surely, 2550334428 is an apocalyptic number.

It is an amenable number.

550334428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550334428 is a wasteful number, since it uses less digits than its factorization.

550334428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654812 (or 19654810 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 550334428 is about 23459.2077445083. The cubic root of 550334428 is about 819.4872999682.

The spelling of 550334428 in words is "five hundred fifty million, three hundred thirty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 19654801 39309602 78619204 137583607 275167214 550334428