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68325784 = 238540723
BaseRepresentation
bin1000001001010…
…01000110011000
311202120022100121
410010221012120
5114442411114
610440243024
71456521352
oct404510630
9152508317
1068325784
113562819a
121aa70474
1311203777
1491080d2
155ee9a24
hex4129198

68325784 has 8 divisors (see below), whose sum is σ = 128110860. Its totient is φ = 34162888.

The previous prime is 68325781. The next prime is 68325787. The reversal of 68325784 is 48752386.

It is an interprime number because it is at equal distance from previous prime (68325781) and next prime (68325787).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 68325784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68325781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270354 + ... + 4270369.

Almost surely, 268325784 is an apocalyptic number.

It is an amenable number.

68325784 is a deficient number, since it is larger than the sum of its proper divisors (59785076).

68325784 is a wasteful number, since it uses less digits than its factorization.

68325784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540729 (or 8540725 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 68325784 is about 8265.9412047268. The cubic root of 68325784 is about 408.8163043067.

The spelling of 68325784 in words is "sixty-eight million, three hundred twenty-five thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 8540723 17081446 34162892 68325784