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68494758 = 2311415793
BaseRepresentation
bin1000001010100…
…10010110100110
311202212220010220
410011102112212
5120013313013
610444025210
71461124113
oct405222646
9152786126
1068494758
1135733142
121ab32206
1311262657
14914d90a
15602eb23
hex41525a6

68494758 has 8 divisors (see below), whose sum is σ = 136989528. Its totient is φ = 22831584.

The previous prime is 68494747. The next prime is 68494763. The reversal of 68494758 is 85749486.

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

68494758 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68494758.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5707891 + ... + 5707902.

It is an arithmetic number, because the mean of its divisors is an integer number (17123691).

Almost surely, 268494758 is an apocalyptic number.

68494758 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.

68494758 is a wasteful number, since it uses less digits than its factorization.

68494758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415798.

The product of its digits is 1935360, while the sum is 51.

The square root of 68494758 is about 8276.1559917633. The cubic root of 68494758 is about 409.1530364275.

The spelling of 68494758 in words is "sixty-eight million, four hundred ninety-four thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 11415793 22831586 34247379 68494758