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228834313 is a prime number
BaseRepresentation
bin11011010001110…
…11110000001001
3120221120222122221
431220323300021
5432040144223
634412414041
75446026301
oct1550736011
9527528587
10228834313
11108197674
1264777321
1338541826
142256a601
1515152b5d
hexda3bc09

228834313 has 2 divisors, whose sum is σ = 228834314. Its totient is φ = 228834312.

The previous prime is 228834311. The next prime is 228834367. The reversal of 228834313 is 313438822.

228834313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213247609 + 15586704 = 14603^2 + 3948^2 .

It is a cyclic number.

It is not a de Polignac number, because 228834313 - 21 = 228834311 is a prime.

Together with 228834311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (228834311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114417156 + 114417157.

It is an arithmetic number, because the mean of its divisors is an integer number (114417157).

Almost surely, 2228834313 is an apocalyptic number.

It is an amenable number.

228834313 is a deficient number, since it is larger than the sum of its proper divisors (1).

228834313 is an equidigital number, since it uses as much as digits as its factorization.

228834313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 228834313 is about 15127.2705072660. The cubic root of 228834313 is about 611.6557301990.

The spelling of 228834313 in words is "two hundred twenty-eight million, eight hundred thirty-four thousand, three hundred thirteen".