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228682511 is a prime number
BaseRepresentation
bin11011010000101…
…10101100001111
3120221022021102122
431220112230033
5432020320021
634405243155
75444524601
oct1550265417
9527267378
10228682511
111080a3612
12647034bb
13384ba6c5
142252b171
1515122bab
hexda16b0f

228682511 has 2 divisors, whose sum is σ = 228682512. Its totient is φ = 228682510.

The previous prime is 228682481. The next prime is 228682523. The reversal of 228682511 is 115286822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228682511 - 222 = 224488207 is a prime.

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 (228682541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114341255 + 114341256.

It is an arithmetic number, because the mean of its divisors is an integer number (114341256).

Almost surely, 2228682511 is an apocalyptic number.

228682511 is a deficient number, since it is larger than the sum of its proper divisors (1).

228682511 is an equidigital number, since it uses as much as digits as its factorization.

228682511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 35.

The square root of 228682511 is about 15122.2521801483. The cubic root of 228682511 is about 611.5204487648.

The spelling of 228682511 in words is "two hundred twenty-eight million, six hundred eighty-two thousand, five hundred eleven".