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228763319 is a prime number
BaseRepresentation
bin11011010001010…
…10011010110111
3120221110101021112
431220222122313
5432030411234
634411105235
75445312311
oct1550523267
9527411245
10228763319
111081492a4
126474221b
1338518415
142254c7b1
151513bace
hexda2a6b7

228763319 has 2 divisors, whose sum is σ = 228763320. Its totient is φ = 228763318.

The previous prime is 228763307. The next prime is 228763331. The reversal of 228763319 is 913367822.

It is a balanced prime because it is at equal distance from previous prime (228763307) and next prime (228763331).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228763319 is a prime.

It is a super-2 number, since 2×2287633192 = 104665312239791522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228763369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114381659 + 114381660.

It is an arithmetic number, because the mean of its divisors is an integer number (114381660).

Almost surely, 2228763319 is an apocalyptic number.

228763319 is a deficient number, since it is larger than the sum of its proper divisors (1).

228763319 is an equidigital number, since it uses as much as digits as its factorization.

228763319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 228763319 is about 15124.9237684029. The cubic root of 228763319 is about 611.5924699042.

The spelling of 228763319 in words is "two hundred twenty-eight million, seven hundred sixty-three thousand, three hundred nineteen".