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68816462 = 21113283223
BaseRepresentation
bin1000001101000…
…00111001001110
311210111020102212
410012200321032
5120104111322
610454550422
71463634041
oct406407116
9153436385
1068816462
1135932910
121b068412
1311345c00
1491d4c58
1560950e2
hex41a0e4e

68816462 has 48 divisors (see below), whose sum is σ = 123959808. Its totient is φ = 28398240.

The previous prime is 68816441. The next prime is 68816471. The reversal of 68816462 is 26461886.

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 23 ways as a sum of consecutive naturals, for example, 308483 + ... + 308705.

It is an arithmetic number, because the mean of its divisors is an integer number (2582496).

Almost surely, 268816462 is an apocalyptic number.

68816462 is a deficient number, since it is larger than the sum of its proper divisors (55143346).

68816462 is a wasteful number, since it uses less digits than its factorization.

68816462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 68816462 is about 8295.5688171457. The cubic root of 68816462 is about 409.7926018277.

The spelling of 68816462 in words is "sixty-eight million, eight hundred sixteen thousand, four hundred sixty-two".

Divisors: 1 2 11 13 22 26 83 143 166 169 223 286 338 446 913 1079 1826 1859 2158 2453 2899 3718 4906 5798 11869 14027 18509 23738 28054 31889 37018 37687 63778 75374 154297 203599 240617 308594 407198 414557 481234 829114 2646787 3128021 5293574 6256042 34408231 68816462