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68598078 = 2311433013
BaseRepresentation
bin1000001011010…
…11100100111110
311210002010212120
410011223210332
5120030114303
610450143410
71462034253
oct405534476
9153063776
1068598078
11357a382a
121ab81b66
131129a6a3
14917942a
156050553
hex416b93e

68598078 has 8 divisors (see below), whose sum is σ = 137196168. Its totient is φ = 22866024.

The previous prime is 68598073. The next prime is 68598139. The reversal of 68598078 is 87089586.

It is a happy number.

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

68598078 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68598078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68598073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716501 + ... + 5716512.

It is an arithmetic number, because the mean of its divisors is an integer number (17149521).

Almost surely, 268598078 is an apocalyptic number.

68598078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68598078 is a wasteful number, since it uses less digits than its factorization.

68598078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433018.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 68598078 is about 8282.3956679212. The cubic root of 68598078 is about 409.3586602106.

The spelling of 68598078 in words is "sixty-eight million, five hundred ninety-eight thousand, seventy-eight".

Divisors: 1 2 3 6 11433013 22866026 34299039 68598078