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228795839 is a prime number
BaseRepresentation
bin11011010001100…
…10010110111111
3120221112000212222
431220302112333
5432032431324
634411515555
75445506156
oct1550622677
9527460788
10228795839
11108170778
1264758bbb
133852a16c
142255a59d
151514655e
hexda325bf

228795839 has 2 divisors, whose sum is σ = 228795840. Its totient is φ = 228795838.

The previous prime is 228795817. The next prime is 228795863. The reversal of 228795839 is 938597822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228795839 - 212 = 228791743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228795899) 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, 114397919 + 114397920.

It is an arithmetic number, because the mean of its divisors is an integer number (114397920).

Almost surely, 2228795839 is an apocalyptic number.

228795839 is a deficient number, since it is larger than the sum of its proper divisors (1).

228795839 is an equidigital number, since it uses as much as digits as its factorization.

228795839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The square root of 228795839 is about 15125.9987769403. The cubic root of 228795839 is about 611.6214489742.

The spelling of 228795839 in words is "two hundred twenty-eight million, seven hundred ninety-five thousand, eight hundred thirty-nine".