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228484859 is a prime number
BaseRepresentation
bin11011001111001…
…10011011111011
3120220221020022012
431213212123323
5431443003414
634401120135
75443042421
oct1547463373
9526836265
10228484859
11107a79069
126462904b
133844b755
14224b9111
15150d433e
hexd9e66fb

228484859 has 2 divisors, whose sum is σ = 228484860. Its totient is φ = 228484858.

The previous prime is 228484831. The next prime is 228484873. The reversal of 228484859 is 958484822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228484859 - 220 = 227436283 is a prime.

It is not a weakly prime, because it can be changed into another prime (228484159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114242429 + 114242430.

It is an arithmetic number, because the mean of its divisors is an integer number (114242430).

Almost surely, 2228484859 is an apocalyptic number.

228484859 is a deficient number, since it is larger than the sum of its proper divisors (1).

228484859 is an equidigital number, since it uses as much as digits as its factorization.

228484859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1474560, while the sum is 50.

The square root of 228484859 is about 15115.7156297676. The cubic root of 228484859 is about 611.3442174206.

The spelling of 228484859 in words is "two hundred twenty-eight million, four hundred eighty-four thousand, eight hundred fifty-nine".