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228141077 is a prime number
BaseRepresentation
bin11011001100100…
…10100000010101
3120220021202201112
431212102200111
5431401003302
634345504405
75440111223
oct1546224025
9526252645
10228141077
1110786384a
12644a2105
133835b128
1422429b13
1515067552
hexd992815

228141077 has 2 divisors, whose sum is σ = 228141078. Its totient is φ = 228141076.

The previous prime is 228141047. The next prime is 228141103. The reversal of 228141077 is 770141822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136632721 + 91508356 = 11689^2 + 9566^2 .

It is a cyclic number.

It is not a de Polignac number, because 228141077 - 214 = 228124693 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 (228141047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114070538 + 114070539.

It is an arithmetic number, because the mean of its divisors is an integer number (114070539).

Almost surely, 2228141077 is an apocalyptic number.

It is an amenable number.

228141077 is a deficient number, since it is larger than the sum of its proper divisors (1).

228141077 is an equidigital number, since it uses as much as digits as its factorization.

228141077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 228141077 is about 15104.3396744115. The cubic root of 228141077 is about 611.0374507274.

Adding to 228141077 its reverse (770141822), we get a palindrome (998282899).

The spelling of 228141077 in words is "two hundred twenty-eight million, one hundred forty-one thousand, seventy-seven".