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68652299 is a prime number
BaseRepresentation
bin1000001011110…
…00110100001011
311210011220020202
410011320310023
5120033333144
610451242415
71462351322
oct405706413
9153156222
1068652299
1135830541
121aba940b
13112b9281
1491910b9
15606164e
hex4178d0b

68652299 has 2 divisors, whose sum is σ = 68652300. Its totient is φ = 68652298.

The previous prime is 68652293. The next prime is 68652313. The reversal of 68652299 is 99225686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68652299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (68652293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34326149 + 34326150.

It is an arithmetic number, because the mean of its divisors is an integer number (34326150).

Almost surely, 268652299 is an apocalyptic number.

68652299 is a deficient number, since it is larger than the sum of its proper divisors (1).

68652299 is an equidigital number, since it uses as much as digits as its factorization.

68652299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 68652299 is about 8285.6682892812. The cubic root of 68652299 is about 409.4664863148.

The spelling of 68652299 in words is "sixty-eight million, six hundred fifty-two thousand, two hundred ninety-nine".