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228795871 is a prime number
BaseRepresentation
bin11011010001100…
…10010111011111
3120221112000221011
431220302113133
5432032431441
634411520051
75445506233
oct1550622737
9527460834
10228795871
111081707a7
1264759027
133852a195
142255a5c3
1515146581
hexda325df

228795871 has 2 divisors, whose sum is σ = 228795872. Its totient is φ = 228795870.

The previous prime is 228795863. The next prime is 228795883. The reversal of 228795871 is 178597822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228795871 - 23 = 228795863 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 (228795071) 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 as a sum of consecutive naturals, namely, 114397935 + 114397936.

It is an arithmetic number, because the mean of its divisors is an integer number (114397936).

Almost surely, 2228795871 is an apocalyptic number.

228795871 is a deficient number, since it is larger than the sum of its proper divisors (1).

228795871 is an equidigital number, since it uses as much as digits as its factorization.

228795871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The square root of 228795871 is about 15125.9998347217. Note that the first 3 decimals coincide. The cubic root of 228795871 is about 611.6214774886.

The spelling of 228795871 in words is "two hundred twenty-eight million, seven hundred ninety-five thousand, eight hundred seventy-one".