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68343254 = 27431071061
BaseRepresentation
bin1000001001011…
…01010111010110
311202121012022122
410010231113112
5114443441004
610440455542
71456623320
oct404552726
9152535278
1068343254
113563a331
121aa7a5b2
131120b6c5
149110610
155eeecbe
hex412d5d6

68343254 has 32 divisors (see below), whose sum is σ = 121118976. Its totient is φ = 28314720.

The previous prime is 68343229. The next prime is 68343259. The reversal of 68343254 is 45234386.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68343259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63884 + ... + 64944.

It is an arithmetic number, because the mean of its divisors is an integer number (3784968).

Almost surely, 268343254 is an apocalyptic number.

68343254 is a deficient number, since it is larger than the sum of its proper divisors (52775722).

68343254 is a wasteful number, since it uses less digits than its factorization.

68343254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 69120, while the sum is 35.

The square root of 68343254 is about 8266.9978831496. The cubic root of 68343254 is about 408.8511443129.

Adding to 68343254 its sum of digits (35), we get a square (68343289 = 82672).

The spelling of 68343254 in words is "sixty-eight million, three hundred forty-three thousand, two hundred fifty-four".

Divisors: 1 2 7 14 43 86 107 214 301 602 749 1061 1498 2122 4601 7427 9202 14854 32207 45623 64414 91246 113527 227054 319361 638722 794689 1589378 4881661 9763322 34171627 68343254