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550380875 = 5311400277
BaseRepresentation
bin100000110011100…
…010010101001011
31102100122020121212
4200303202111023
52111344142000
6130340323335
716432105652
oct4063422513
91370566555
10550380875
11262748330
121343a354b
138a044975
145314c199
15334bac35
hex20ce254b

550380875 has 16 divisors (see below), whose sum is σ = 749320416. Its totient is φ = 400276000.

The previous prime is 550380871. The next prime is 550380877. The reversal of 550380875 is 578083055.

It is not a de Polignac number, because 550380875 - 22 = 550380871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550380871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198764 + ... + 201513.

It is an arithmetic number, because the mean of its divisors is an integer number (46832526).

Almost surely, 2550380875 is an apocalyptic number.

550380875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550380875 is a deficient number, since it is larger than the sum of its proper divisors (198939541).

550380875 is a wasteful number, since it uses less digits than its factorization.

550380875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400303 (or 400293 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 550380875 is about 23460.1976760640. The cubic root of 550380875 is about 819.5103536207.

The spelling of 550380875 in words is "five hundred fifty million, three hundred eighty thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 400277 2001385 4403047 10006925 22015235 50034625 110076175 550380875