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67864268 = 2233151257
BaseRepresentation
bin1000000101110…
…00011011001100
311201200212021102
410002320123030
5114333124033
610422322232
71452560003
oct402703314
9151625242
1067864268
113534247a
121a889378
13110a1694
149027c3a
155e57de8
hex40b86cc

67864268 has 12 divisors (see below), whose sum is σ = 119123592. Its totient is φ = 33828960.

The previous prime is 67864261. The next prime is 67864273. The reversal of 67864268 is 86246876.

It is not an unprimeable number, because it can be changed into a prime (67864261) 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, 24305 + ... + 26952.

It is an arithmetic number, because the mean of its divisors is an integer number (9926966).

Almost surely, 267864268 is an apocalyptic number.

It is an amenable number.

67864268 is a deficient number, since it is larger than the sum of its proper divisors (51259324).

67864268 is a wasteful number, since it uses less digits than its factorization.

67864268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51592 (or 51590 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 67864268 is about 8237.9771788953. The cubic root of 67864268 is about 407.8937551758.

It can be divided in two parts, 678 and 64268, that added together give a palindrome (64946).

The spelling of 67864268 in words is "sixty-seven million, eight hundred sixty-four thousand, two hundred sixty-eight".

Divisors: 1 2 4 331 662 1324 51257 102514 205028 16966067 33932134 67864268