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228143683 is a prime number
BaseRepresentation
bin11011001100100…
…11001001000011
3120220021220022001
431212103021003
5431401044213
634345524431
75440121635
oct1546231103
9526256261
10228143683
111078657a9
12644a3717
133835c381
142242aa55
15150681dd
hexd993243

228143683 has 2 divisors, whose sum is σ = 228143684. Its totient is φ = 228143682.

The previous prime is 228143653. The next prime is 228143701. The reversal of 228143683 is 386341822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228143683 - 25 = 228143651 is a prime.

It is not a weakly prime, because it can be changed into another prime (228143603) 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, 114071841 + 114071842.

It is an arithmetic number, because the mean of its divisors is an integer number (114071842).

Almost surely, 2228143683 is an apocalyptic number.

228143683 is a deficient number, since it is larger than the sum of its proper divisors (1).

228143683 is an equidigital number, since it uses as much as digits as its factorization.

228143683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 228143683 is about 15104.4259407632. The cubic root of 228143683 is about 611.0397772959.

It can be divided in two parts, 228143 and 683, that added together give a triangular number (228826 = T676).

The spelling of 228143683 in words is "two hundred twenty-eight million, one hundred forty-three thousand, six hundred eighty-three".