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550188239 is a prime number
BaseRepresentation
bin100000110010110…
…011010011001111
31102100021110101012
4200302303103033
52111322010424
6130332235435
716430344226
oct4062632317
91370243335
10550188239
11262626627
1213430bb7b
1389ca8093
14530dbcbd
153347db0e
hex20cb34cf

550188239 has 2 divisors, whose sum is σ = 550188240. Its totient is φ = 550188238.

The previous prime is 550188229. The next prime is 550188253. The reversal of 550188239 is 932881055.

550188239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550188239 is a prime.

It is a super-2 number, since 2×5501882392 = 605414196667842242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 550188196 and 550188205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550188209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275094119 + 275094120.

It is an arithmetic number, because the mean of its divisors is an integer number (275094120).

Almost surely, 2550188239 is an apocalyptic number.

550188239 is a deficient number, since it is larger than the sum of its proper divisors (1).

550188239 is an equidigital number, since it uses as much as digits as its factorization.

550188239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 550188239 is about 23456.0917247524. The cubic root of 550188239 is about 819.4147315855.

The spelling of 550188239 in words is "five hundred fifty million, one hundred eighty-eight thousand, two hundred thirty-nine".