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208452073 is a prime number
BaseRepresentation
bin11000110110010…
…11100111101001
3112112020110111011
430123023213221
5411330431243
632403503521
75110545664
oct1433134751
9475213434
10208452073
11a7736145
1259987ba1
133425642b
141d9826db
151347889d
hexc6cb9e9

208452073 has 2 divisors, whose sum is σ = 208452074. Its totient is φ = 208452072.

The previous prime is 208452037. The next prime is 208452103. The reversal of 208452073 is 370254802.

Together with previous prime (208452037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134629609 + 73822464 = 11603^2 + 8592^2 .

It is a cyclic number.

It is not a de Polignac number, because 208452073 - 29 = 208451561 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (208452373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104226036 + 104226037.

It is an arithmetic number, because the mean of its divisors is an integer number (104226037).

Almost surely, 2208452073 is an apocalyptic number.

It is an amenable number.

208452073 is a deficient number, since it is larger than the sum of its proper divisors (1).

208452073 is an equidigital number, since it uses as much as digits as its factorization.

208452073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 208452073 is about 14437.8694065295. The cubic root of 208452073 is about 592.9281545116.

The spelling of 208452073 in words is "two hundred eight million, four hundred fifty-two thousand, seventy-three".