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68287112 = 2329294341
BaseRepresentation
bin1000001000111…
…11101010001000
311202111100022022
410010133222020
5114440141422
610435344012
71456300535
oct404375210
9152440268
1068287112
1135601133
121aa52008
13111bbc9a
1490d7d8c
155edd342
hex411fa88

68287112 has 16 divisors (see below), whose sum is σ = 132453900. Its totient is φ = 32966080.

The previous prime is 68287111. The next prime is 68287129. The reversal of 68287112 is 21178286.

It can be written as a sum of positive squares in 2 ways, for example, as 67338436 + 948676 = 8206^2 + 974^2 .

It is not an unprimeable number, because it can be changed into a prime (68287111) 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 3 ways as a sum of consecutive naturals, for example, 146939 + ... + 147402.

Almost surely, 268287112 is an apocalyptic number.

It is an amenable number.

68287112 is a deficient number, since it is larger than the sum of its proper divisors (64166788).

68287112 is a wasteful number, since it uses less digits than its factorization.

68287112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294376 (or 294372 counting only the distinct ones).

The product of its digits is 10752, while the sum is 35.

The square root of 68287112 is about 8263.6016360906. The cubic root of 68287112 is about 408.7391605264.

The spelling of 68287112 in words is "sixty-eight million, two hundred eighty-seven thousand, one hundred twelve".

Divisors: 1 2 4 8 29 58 116 232 294341 588682 1177364 2354728 8535889 17071778 34143556 68287112