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228382877 is a prime number
BaseRepresentation
bin11011001110011…
…01100010011101
3120220202001102002
431213031202131
5431431223002
634355012045
75442136202
oct1547154235
9526661362
10228382877
11107a09488
126459a025
13384141c8
142248dca9
15150b4002
hexd9cd89d

228382877 has 2 divisors, whose sum is σ = 228382878. Its totient is φ = 228382876.

The previous prime is 228382873. The next prime is 228382897. The reversal of 228382877 is 778283822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176916601 + 51466276 = 13301^2 + 7174^2 .

It is a cyclic number.

It is not a de Polignac number, because 228382877 - 22 = 228382873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228382873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114191438 + 114191439.

It is an arithmetic number, because the mean of its divisors is an integer number (114191439).

Almost surely, 2228382877 is an apocalyptic number.

It is an amenable number.

228382877 is a deficient number, since it is larger than the sum of its proper divisors (1).

228382877 is an equidigital number, since it uses as much as digits as its factorization.

228382877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 47.

The square root of 228382877 is about 15112.3418767576. The cubic root of 228382877 is about 611.2532480315.

The spelling of 228382877 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred seventy-seven".