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228142067 is a prime number
BaseRepresentation
bin11011001100100…
…10101111110011
3120220021211002012
431212102233303
5431401021232
634345513135
75440114136
oct1546225763
9526254065
10228142067
1110786456a
12644a27ab
133835b70a
142242a21d
15150679b2
hexd992bf3

228142067 has 2 divisors, whose sum is σ = 228142068. Its totient is φ = 228142066.

The previous prime is 228142039. The next prime is 228142069. The reversal of 228142067 is 760241822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228142067 - 26 = 228142003 is a prime.

Together with 228142069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228142069) 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, 114071033 + 114071034.

It is an arithmetic number, because the mean of its divisors is an integer number (114071034).

Almost surely, 2228142067 is an apocalyptic number.

228142067 is a deficient number, since it is larger than the sum of its proper divisors (1).

228142067 is an equidigital number, since it uses as much as digits as its factorization.

228142067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 228142067 is about 15104.3724464143. The cubic root of 228142067 is about 611.0383345756.

Adding to 228142067 its reverse (760241822), we get a palindrome (988383889).

The spelling of 228142067 in words is "two hundred twenty-eight million, one hundred forty-two thousand, sixty-seven".