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408228408223 is a prime number
BaseRepresentation
bin1011111000011000100…
…11110010101110011111
31110000201010202211001221
411330030103302232133
523142022433030343
6511312035314211
741331165134236
oct5741423625637
91400633684057
10408228408223
11148146326279
126714aa4b967
132c65a2a404c
1415a88d25b1d
15a943eb05ed
hex5f0c4f2b9f

408228408223 has 2 divisors, whose sum is σ = 408228408224. Its totient is φ = 408228408222.

The previous prime is 408228408187. The next prime is 408228408233. The reversal of 408228408223 is 322804822804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408228408223 - 225 = 408194853791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 408228408223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408228408233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204114204111 + 204114204112.

It is an arithmetic number, because the mean of its divisors is an integer number (204114204112).

Almost surely, 2408228408223 is an apocalyptic number.

408228408223 is a deficient number, since it is larger than the sum of its proper divisors (1).

408228408223 is an equidigital number, since it uses as much as digits as its factorization.

408228408223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393216, while the sum is 43.

The spelling of 408228408223 in words is "four hundred eight billion, two hundred twenty-eight million, four hundred eight thousand, two hundred twenty-three".