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68776323 = 37111731721
BaseRepresentation
bin1000001100101…
…11000110000011
311210102012101020
410012113012003
5120101320243
610454040523
71463406030
oct406270603
9153365336
1068776323
1135905740
121b049143
1311330865
1491c4387
156088283
hex4197183

68776323 has 32 divisors (see below), whose sum is σ = 115057152. Its totient is φ = 35500800.

The previous prime is 68776319. The next prime is 68776349. The reversal of 68776323 is 32367786.

It is not a de Polignac number, because 68776323 - 22 = 68776319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68776363) 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 31 ways as a sum of consecutive naturals, for example, 39103 + ... + 40823.

It is an arithmetic number, because the mean of its divisors is an integer number (3595536).

Almost surely, 268776323 is an apocalyptic number.

68776323 is a deficient number, since it is larger than the sum of its proper divisors (46280829).

68776323 is a wasteful number, since it uses less digits than its factorization.

68776323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915.

The product of its digits is 254016, while the sum is 42.

The square root of 68776323 is about 8293.1491606024. The cubic root of 68776323 is about 409.7129122503.

It can be divided in two parts, 687763 and 23, that added together give a palindrome (687786).

The spelling of 68776323 in words is "sixty-eight million, seven hundred seventy-six thousand, three hundred twenty-three".

Divisors: 1 3 7 11 21 33 77 173 231 519 1211 1721 1903 3633 5163 5709 12047 13321 18931 36141 39963 56793 132517 297733 397551 893199 2084131 3275063 6252393 9825189 22925441 68776323