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550140798 = 2391690133
BaseRepresentation
bin100000110010100…
…111101101111110
31102100012001022010
4200302213231332
52111314001143
6130331232050
716430056014
oct4062475576
91370161263
10550140798
112625a3a19
121342a8626
1389c8c5cc
14530c88b4
153346ea33
hex20ca7b7e

550140798 has 8 divisors (see below), whose sum is σ = 1100281608. Its totient is φ = 183380264.

The previous prime is 550140797. The next prime is 550140809. The reversal of 550140798 is 897041055.

It is a sphenic number, since it is the product of 3 distinct primes.

550140798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550140797) 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, 45845061 + ... + 45845072.

It is an arithmetic number, because the mean of its divisors is an integer number (137535201).

Almost surely, 2550140798 is an apocalyptic number.

550140798 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.

550140798 is a wasteful number, since it uses less digits than its factorization.

550140798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91690138.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 550140798 is about 23455.0804304739. The cubic root of 550140798 is about 819.3911790575.

The spelling of 550140798 in words is "five hundred fifty million, one hundred forty thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 91690133 183380266 275070399 550140798