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68198097 = 3112066609
BaseRepresentation
bin1000001000010…
…01111011010001
311202022211012110
410010021323101
5114424314342
610433415533
71455450162
oct404117321
9152284173
1068198097
1135550270
121aa0a5a9
131118a606
1490b3769
155ec1c9c
hex4109ed1

68198097 has 8 divisors (see below), whose sum is σ = 99197280. Its totient is φ = 41332160.

The previous prime is 68198077. The next prime is 68198113. The reversal of 68198097 is 79089186.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68198097 - 211 = 68196049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68198017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033272 + ... + 1033337.

It is an arithmetic number, because the mean of its divisors is an integer number (12399660).

Almost surely, 268198097 is an apocalyptic number.

It is an amenable number.

68198097 is a deficient number, since it is larger than the sum of its proper divisors (30999183).

68198097 is a wasteful number, since it uses less digits than its factorization.

68198097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066623.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 68198097 is about 8258.2139110101. The cubic root of 68198097 is about 408.5614806487.

The spelling of 68198097 in words is "sixty-eight million, one hundred ninety-eight thousand, ninety-seven".

Divisors: 1 3 11 33 2066609 6199827 22732699 68198097