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228382873 is a prime number
BaseRepresentation
bin11011001110011…
…01100010011001
3120220202001101221
431213031202121
5431431222443
634355012041
75442136165
oct1547154231
9526661357
10228382873
11107a09484
126459a021
13384141c4
142248dca5
15150b3eed
hexd9cd899

228382873 has 2 divisors, whose sum is σ = 228382874. Its totient is φ = 228382872.

The previous prime is 228382867. The next prime is 228382877. The reversal of 228382873 is 378283822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204146944 + 24235929 = 14288^2 + 4923^2 .

It is a cyclic number.

It is not a de Polignac number, because 228382873 - 221 = 226285721 is a prime.

It is not a weakly prime, because it can be changed into another prime (228382877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114191436 + 114191437.

It is an arithmetic number, because the mean of its divisors is an integer number (114191437).

Almost surely, 2228382873 is an apocalyptic number.

It is an amenable number.

228382873 is a deficient number, since it is larger than the sum of its proper divisors (1).

228382873 is an equidigital number, since it uses as much as digits as its factorization.

228382873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 228382873 is about 15112.3417444154. The cubic root of 228382873 is about 611.2532444629.

The spelling of 228382873 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred seventy-three".