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228804151 is a prime number
BaseRepresentation
bin11011010001101…
…00011000110111
3120221112110021211
431220310120313
5432033213101
634412022251
75445542332
oct1550643067
9527473254
10228804151
11108176a44
1264761987
1338530b94
142255d619
1515148c51
hexda34637

228804151 has 2 divisors, whose sum is σ = 228804152. Its totient is φ = 228804150.

The previous prime is 228804143. The next prime is 228804167. The reversal of 228804151 is 151408822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228804151 - 23 = 228804143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228804101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114402075 + 114402076.

It is an arithmetic number, because the mean of its divisors is an integer number (114402076).

Almost surely, 2228804151 is an apocalyptic number.

228804151 is a deficient number, since it is larger than the sum of its proper divisors (1).

228804151 is an equidigital number, since it uses as much as digits as its factorization.

228804151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 228804151 is about 15126.2735331608. The cubic root of 228804151 is about 611.6288554841.

The spelling of 228804151 in words is "two hundred twenty-eight million, eight hundred four thousand, one hundred fifty-one".