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68194298 = 297351517
BaseRepresentation
bin1000001000010…
…00111111111010
311202022121222202
410010020333322
5114424204143
610433350202
71455433124
oct404107772
9152277882
1068194298
1135548427
121aa08362
1311188973
1490b2214
155ec0ab8
hex4108ffa

68194298 has 8 divisors (see below), whose sum is σ = 103346292. Its totient is φ = 33745536.

The previous prime is 68194297. The next prime is 68194303. The reversal of 68194298 is 89249186.

It can be written as a sum of positive squares in 2 ways, for example, as 65983129 + 2211169 = 8123^2 + 1487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68194297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175565 + ... + 175952.

Almost surely, 268194298 is an apocalyptic number.

68194298 is a deficient number, since it is larger than the sum of its proper divisors (35151994).

68194298 is a wasteful number, since it uses less digits than its factorization.

68194298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351616.

The product of its digits is 248832, while the sum is 47.

The square root of 68194298 is about 8257.9838943897. The cubic root of 68194298 is about 408.5538941521.

The spelling of 68194298 in words is "sixty-eight million, one hundred ninety-four thousand, two hundred ninety-eight".

Divisors: 1 2 97 194 351517 703034 34097149 68194298