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228795863 is a prime number
BaseRepresentation
bin11011010001100…
…10010111010111
3120221112000220212
431220302113113
5432032431423
634411520035
75445506222
oct1550622727
9527460825
10228795863
1110817079a
126475901b
133852a18a
142255a5b9
1515146578
hexda325d7

228795863 has 2 divisors, whose sum is σ = 228795864. Its totient is φ = 228795862.

The previous prime is 228795839. The next prime is 228795871. The reversal of 228795863 is 368597822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228795863 - 28 = 228795607 is a prime.

It is a Sophie Germain 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 (228795803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114397931 + 114397932.

It is an arithmetic number, because the mean of its divisors is an integer number (114397932).

Almost surely, 2228795863 is an apocalyptic number.

228795863 is a deficient number, since it is larger than the sum of its proper divisors (1).

228795863 is an equidigital number, since it uses as much as digits as its factorization.

228795863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 228795863 is about 15125.9995702763. Note that the first 3 decimals coincide. The cubic root of 228795863 is about 611.6214703600.

The spelling of 228795863 in words is "two hundred twenty-eight million, seven hundred ninety-five thousand, eight hundred sixty-three".