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228204499 is a prime number
BaseRepresentation
bin11011001101000…
…01111111010011
3120220101222201111
431212201333103
5431410020444
634351114151
75440464145
oct1546417723
9526358644
10228204499
111078a7466
1264512957
1338380c63
1422444c95
151507b234
hexd9a1fd3

228204499 has 2 divisors, whose sum is σ = 228204500. Its totient is φ = 228204498.

The previous prime is 228204461. The next prime is 228204503. The reversal of 228204499 is 994402822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228204499 - 27 = 228204371 is a prime.

It is not a weakly prime, because it can be changed into another prime (228204409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114102249 + 114102250.

It is an arithmetic number, because the mean of its divisors is an integer number (114102250).

Almost surely, 2228204499 is an apocalyptic number.

228204499 is a deficient number, since it is larger than the sum of its proper divisors (1).

228204499 is an equidigital number, since it uses as much as digits as its factorization.

228204499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 228204499 is about 15106.4389913705. The cubic root of 228204499 is about 611.0940671965.

The spelling of 228204499 in words is "two hundred twenty-eight million, two hundred four thousand, four hundred ninety-nine".