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68313272 = 2315975347
BaseRepresentation
bin1000001001001…
…10000010111000
311202112200012012
410010212002320
5114442011042
610440105052
71456440026
oct404460270
9152480165
1068313272
1135619855
121aa65188
13111cab71
149103716
155ee5e82
hex41260b8

68313272 has 16 divisors (see below), whose sum is σ = 128191560. Its totient is φ = 34128864.

The previous prime is 68313221. The next prime is 68313277. The reversal of 68313272 is 27231386.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68313277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103 + ... + 15449.

Almost surely, 268313272 is an apocalyptic number.

It is an amenable number.

68313272 is a deficient number, since it is larger than the sum of its proper divisors (59878288).

68313272 is a wasteful number, since it uses less digits than its factorization.

68313272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950 (or 6946 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 68313272 is about 8265.1843294630. The cubic root of 68313272 is about 408.7913482722.

The spelling of 68313272 in words is "sixty-eight million, three hundred thirteen thousand, two hundred seventy-two".

Divisors: 1 2 4 8 1597 3194 5347 6388 10694 12776 21388 42776 8539159 17078318 34156636 68313272