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228132283 is a prime number
BaseRepresentation
bin11011001100100…
…00010110111011
3120220021022122211
431212100112323
5431400213113
634345355551
75440043461
oct1546202673
9526238584
10228132283
11107858185
1264498bb7
1338357122
1422426831
1515064b3d
hexd9905bb

228132283 has 2 divisors, whose sum is σ = 228132284. Its totient is φ = 228132282.

The previous prime is 228132271. The next prime is 228132293. The reversal of 228132283 is 382231822.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228132283 is a prime.

It is equal to p12545464 and since 228132283 and 12545464 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (228132293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114066141 + 114066142.

It is an arithmetic number, because the mean of its divisors is an integer number (114066142).

Almost surely, 2228132283 is an apocalyptic number.

228132283 is a deficient number, since it is larger than the sum of its proper divisors (1).

228132283 is an equidigital number, since it uses as much as digits as its factorization.

228132283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 228132283 is about 15104.0485632164. The cubic root of 228132283 is about 611.0295995439.

The spelling of 228132283 in words is "two hundred twenty-eight million, one hundred thirty-two thousand, two hundred eighty-three".