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208028893 is a prime number
BaseRepresentation
bin11000110011001…
…00010011011101
3112111102221222211
430121210103131
5411223411033
632350440421
75104134142
oct1431442335
9474387884
10208028893
11a7477206
1259803111
1334138927
141d8b23c9
15133e32cd
hexc6644dd

208028893 has 2 divisors, whose sum is σ = 208028894. Its totient is φ = 208028892.

The previous prime is 208028857. The next prime is 208028897. The reversal of 208028893 is 398820802.

208028893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107267449 + 100761444 = 10357^2 + 10038^2 .

It is a cyclic number.

It is not a de Polignac number, because 208028893 - 221 = 205931741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208028897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104014446 + 104014447.

It is an arithmetic number, because the mean of its divisors is an integer number (104014447).

Almost surely, 2208028893 is an apocalyptic number.

It is an amenable number.

208028893 is a deficient number, since it is larger than the sum of its proper divisors (1).

208028893 is an equidigital number, since it uses as much as digits as its factorization.

208028893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 208028893 is about 14423.2067516208. The cubic root of 208028893 is about 592.5266468340.

The spelling of 208028893 in words is "two hundred eight million, twenty-eight thousand, eight hundred ninety-three".