Search a number
-
+
68288053 is a prime number
BaseRepresentation
bin1000001000111…
…11111000110101
311202111101121011
410010133320311
5114440204203
610435352221
71456303351
oct404377065
9152441534
1068288053
1135601909
121aa52671
13111bc542
1490d8461
155edd76d
hex411fe35

68288053 has 2 divisors, whose sum is σ = 68288054. Its totient is φ = 68288052.

The previous prime is 68288023. The next prime is 68288063. The reversal of 68288053 is 35088286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63011844 + 5276209 = 7938^2 + 2297^2 .

It is a cyclic number.

It is not a de Polignac number, because 68288053 - 25 = 68288021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68287997 and 68288015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68288023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34144026 + 34144027.

It is an arithmetic number, because the mean of its divisors is an integer number (34144027).

Almost surely, 268288053 is an apocalyptic number.

It is an amenable number.

68288053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68288053 is an equidigital number, since it uses as much as digits as its factorization.

68288053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 68288053 is about 8263.6585723274. The cubic root of 68288053 is about 408.7410380002.

The spelling of 68288053 in words is "sixty-eight million, two hundred eighty-eight thousand, fifty-three".