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228460471 is a prime number
BaseRepresentation
bin11011001111000…
…00011110110111
3120220212222211221
431213200132313
5431441213341
634400411211
75442611341
oct1547403667
9526788757
10228460471
11107a61808
1264616b07
1338440615
14224b0291
15150cbed1
hexd9e07b7

228460471 has 2 divisors, whose sum is σ = 228460472. Its totient is φ = 228460470.

The previous prime is 228460457. The next prime is 228460543. The reversal of 228460471 is 174064822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228460471 - 25 = 228460439 is a prime.

It is a super-3 number, since 3×2284604713 (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228460411) 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, 114230235 + 114230236.

It is an arithmetic number, because the mean of its divisors is an integer number (114230236).

Almost surely, 2228460471 is an apocalyptic number.

228460471 is a deficient number, since it is larger than the sum of its proper divisors (1).

228460471 is an equidigital number, since it uses as much as digits as its factorization.

228460471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 228460471 is about 15114.9088981707. The cubic root of 228460471 is about 611.3224654420.

The spelling of 228460471 in words is "two hundred twenty-eight million, four hundred sixty thousand, four hundred seventy-one".