Search a number
-
+
208094057 is a prime number
BaseRepresentation
bin11000110011101…
…00001101101001
3112111120021101022
430121310031221
5411233002212
632352102225
75104525133
oct1431641551
9474507338
10208094057
11a7511166
1259834975
133415c4a2
141d8cc053
1513407772
hexc674369

208094057 has 2 divisors, whose sum is σ = 208094058. Its totient is φ = 208094056.

The previous prime is 208094021. The next prime is 208094077. The reversal of 208094057 is 750490802.

It is a happy number.

208094057 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., 168454441 + 39639616 = 12979^2 + 6296^2 .

It is a cyclic number.

It is not a de Polignac number, because 208094057 - 26 = 208093993 is a prime.

It is a super-3 number, since 3×2080940573 (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (208094077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104047028 + 104047029.

It is an arithmetic number, because the mean of its divisors is an integer number (104047029).

Almost surely, 2208094057 is an apocalyptic number.

It is an amenable number.

208094057 is a deficient number, since it is larger than the sum of its proper divisors (1).

208094057 is an equidigital number, since it uses as much as digits as its factorization.

208094057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 208094057 is about 14425.4655730760. The cubic root of 208094057 is about 592.5885090349.

The spelling of 208094057 in words is "two hundred eight million, ninety-four thousand, fifty-seven".