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228458611 is a prime number
BaseRepresentation
bin11011001111000…
…00000001110011
3120220212220022001
431213200001303
5431441133421
634400354431
75442603043
oct1547400163
9526786261
10228458611
11107a60377
1264615a17
133843c814
14224ad723
15150cb691
hexd9e0073

228458611 has 2 divisors, whose sum is σ = 228458612. Its totient is φ = 228458610.

The previous prime is 228458591. The next prime is 228458627. The reversal of 228458611 is 116854822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228458611 - 211 = 228456563 is a prime.

It is not a weakly prime, because it can be changed into another prime (228558611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114229305 + 114229306.

It is an arithmetic number, because the mean of its divisors is an integer number (114229306).

Almost surely, 2228458611 is an apocalyptic number.

228458611 is a deficient number, since it is larger than the sum of its proper divisors (1).

228458611 is an equidigital number, since it uses as much as digits as its factorization.

228458611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 228458611 is about 15114.8473693915. The cubic root of 228458611 is about 611.3208064200.

The spelling of 228458611 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, six hundred eleven".