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228361559 is a prime number
BaseRepresentation
bin11011001110010…
…00010101010111
3120220200222011112
431213020111113
5431430032214
634354325235
75442020066
oct1547102527
9526628145
10228361559
111079a4468
126458981b
13384075aa
14224861dd
15150aca3e
hexd9c8557

228361559 has 2 divisors, whose sum is σ = 228361560. Its totient is φ = 228361558.

The previous prime is 228361543. The next prime is 228361591. The reversal of 228361559 is 955163822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228361559 - 24 = 228361543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228363559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114180779 + 114180780.

It is an arithmetic number, because the mean of its divisors is an integer number (114180780).

Almost surely, 2228361559 is an apocalyptic number.

228361559 is a deficient number, since it is larger than the sum of its proper divisors (1).

228361559 is an equidigital number, since it uses as much as digits as its factorization.

228361559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 41.

The square root of 228361559 is about 15111.6365427441. The cubic root of 228361559 is about 611.2342286514.

The spelling of 228361559 in words is "two hundred twenty-eight million, three hundred sixty-one thousand, five hundred fifty-nine".