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68528914 = 22329471093
BaseRepresentation
bin1000001010110…
…10101100010010
311202221121222221
410011122230102
5120020411124
610444451254
71461325516
oct405325422
9152847887
1068528914
1135756873
121ab49b2a
131127506c
14915c146
156039ce4
hex415ab12

68528914 has 32 divisors (see below), whose sum is σ = 113425920. Its totient is φ = 30942912.

The previous prime is 68528909. The next prime is 68528927. The reversal of 68528914 is 41982586.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 62152 + ... + 63244.

It is an arithmetic number, because the mean of its divisors is an integer number (3544560).

Almost surely, 268528914 is an apocalyptic number.

68528914 is a deficient number, since it is larger than the sum of its proper divisors (44897006).

68528914 is a wasteful number, since it uses less digits than its factorization.

68528914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 138240, while the sum is 43.

The square root of 68528914 is about 8278.2192529553. The cubic root of 68528914 is about 409.2210353480.

The spelling of 68528914 in words is "sixty-eight million, five hundred twenty-eight thousand, nine hundred fourteen".

Divisors: 1 2 23 29 46 47 58 94 667 1081 1093 1334 1363 2162 2186 2726 25139 31349 31697 50278 51371 62698 63394 102742 729031 1181533 1458062 1489759 2363066 2979518 34264457 68528914