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68343039 = 3243176597
BaseRepresentation
bin1000001001011…
…01010011111111
311202121012000200
410010231103333
5114443434124
610440454543
71456622562
oct404552377
9152535020
1068343039
113563a156
121aa7a453
131120b58b
1491104d9
155eeebc9
hex412d4ff

68343039 has 12 divisors (see below), whose sum is σ = 101014056. Its totient is φ = 44502192.

The previous prime is 68343031. The next prime is 68343049. The reversal of 68343039 is 93034386.

It is not a de Polignac number, because 68343039 - 23 = 68343031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68342994 and 68343012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68343031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87912 + ... + 88685.

It is an arithmetic number, because the mean of its divisors is an integer number (8417838).

Almost surely, 268343039 is an apocalyptic number.

68343039 is a deficient number, since it is larger than the sum of its proper divisors (32671017).

68343039 is a wasteful number, since it uses less digits than its factorization.

68343039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176646 (or 176643 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 68343039 is about 8266.9848796281. The cubic root of 68343039 is about 408.8507155796.

The spelling of 68343039 in words is "sixty-eight million, three hundred forty-three thousand, thirty-nine".

Divisors: 1 3 9 43 129 387 176597 529791 1589373 7593671 22781013 68343039