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228046529 is a prime number
BaseRepresentation
bin11011001011110…
…11011011000001
3120220002222000202
431211323123001
5431334442104
634343454545
75436235454
oct1545733301
9526088022
10228046529
111077a9807
1264457455
1338327099
142240349b
151504951e
hexd97b6c1

228046529 has 2 divisors, whose sum is σ = 228046530. Its totient is φ = 228046528.

The previous prime is 228046523. The next prime is 228046547. The reversal of 228046529 is 925640822.

228046529 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206209600 + 21836929 = 14360^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 228046529 - 24 = 228046513 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 228046492 and 228046501.

It is not a weakly prime, because it can be changed into another prime (228046523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114023264 + 114023265.

It is an arithmetic number, because the mean of its divisors is an integer number (114023265).

Almost surely, 2228046529 is an apocalyptic number.

It is an amenable number.

228046529 is a deficient number, since it is larger than the sum of its proper divisors (1).

228046529 is an equidigital number, since it uses as much as digits as its factorization.

228046529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 228046529 is about 15101.2095210947. The cubic root of 228046529 is about 610.9530287661.

The spelling of 228046529 in words is "two hundred twenty-eight million, forty-six thousand, five hundred twenty-nine".