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228676319 is a prime number
BaseRepresentation
bin11011010000101…
…01001011011111
3120221021221221022
431220111023133
5432020120234
634405154355
75444500544
oct1550251337
9527257838
10228676319
111080999a3
12646bb9bb
13384b7941
1422528bcb
1515120e2e
hexda152df

228676319 has 2 divisors, whose sum is σ = 228676320. Its totient is φ = 228676318.

The previous prime is 228676297. The next prime is 228676321. The reversal of 228676319 is 913676822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228676319 is a prime.

It is a super-2 number, since 2×2286763192 = 104585717742779522, which contains 22 as substring.

Together with 228676321, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228676319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228676379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114338159 + 114338160.

It is an arithmetic number, because the mean of its divisors is an integer number (114338160).

Almost surely, 2228676319 is an apocalyptic number.

228676319 is a deficient number, since it is larger than the sum of its proper divisors (1).

228676319 is an equidigital number, since it uses as much as digits as its factorization.

228676319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 228676319 is about 15122.0474473532. The cubic root of 228676319 is about 611.5149293677.

The spelling of 228676319 in words is "two hundred twenty-eight million, six hundred seventy-six thousand, three hundred nineteen".