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68392233 = 32713113739
BaseRepresentation
bin1000001001110…
…01010100101001
311202200200111200
410010321110221
5120002022413
610441514413
71460216160
oct404712451
9152620450
1068392233
1135673108
121aaa2a09
1311227aa0
1491243d7
15600e573
hex4139529

68392233 has 48 divisors (see below), whose sum is σ = 122828160. Its totient is φ = 35707392.

The previous prime is 68392217. The next prime is 68392301. The reversal of 68392233 is 33229386.

It is not a de Polignac number, because 68392233 - 24 = 68392217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68392333) 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 47 ways as a sum of consecutive naturals, for example, 92178 + ... + 92916.

It is an arithmetic number, because the mean of its divisors is an integer number (2558920).

Almost surely, 268392233 is an apocalyptic number.

68392233 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68392233 is a deficient number, since it is larger than the sum of its proper divisors (54435927).

68392233 is a wasteful number, since it uses less digits than its factorization.

68392233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 875 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 68392233 is about 8269.9596734204. The cubic root of 68392233 is about 408.9487903237.

The spelling of 68392233 in words is "sixty-eight million, three hundred ninety-two thousand, two hundred thirty-three".

Divisors: 1 3 7 9 13 21 39 63 91 113 117 273 339 739 791 819 1017 1469 2217 2373 4407 5173 6651 7119 9607 10283 13221 15519 28821 30849 46557 67249 83507 86463 92547 201747 250521 584549 605241 751563 1085591 1753647 3256773 5260941 7599137 9770319 22797411 68392233