Search a number
-
+
228082511 is a prime number
BaseRepresentation
bin11011001100001…
…00001101001111
3120220011210101102
431212010031033
5431342120021
634344333315
75436445406
oct1546041517
9526153342
10228082511
11107823848
126447423b
133833a587
142241263d
151505500b
hexd98434f

228082511 has 2 divisors, whose sum is σ = 228082512. Its totient is φ = 228082510.

The previous prime is 228082499. The next prime is 228082529. The reversal of 228082511 is 115280822.

It is a happy number.

228082511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228082511 - 210 = 228081487 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 (228082411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114041255 + 114041256.

It is an arithmetic number, because the mean of its divisors is an integer number (114041256).

Almost surely, 2228082511 is an apocalyptic number.

228082511 is a deficient number, since it is larger than the sum of its proper divisors (1).

228082511 is an equidigital number, since it uses as much as digits as its factorization.

228082511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 228082511 is about 15102.4008356288. The cubic root of 228082511 is about 610.9851598636.

The spelling of 228082511 in words is "two hundred twenty-eight million, eighty-two thousand, five hundred eleven".