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68851347 = 340575657
BaseRepresentation
bin1000001101010…
…01011010010011
311210120000021220
410012221122103
5120111220342
610455420123
71464140535
oct406513223
9153500256
1068851347
1135957044
121b084643
1311358a56
149203855
1560a05ec
hex41a9693

68851347 has 8 divisors (see below), whose sum is σ = 91840656. Its totient is φ = 45881472.

The previous prime is 68851333. The next prime is 68851361. The reversal of 68851347 is 74315886.

It is an interprime number because it is at equal distance from previous prime (68851333) and next prime (68851361).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68851347 - 24 = 68851331 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 68851299 and 68851308.

It is not an unprimeable number, because it can be changed into a prime (68851747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9343 + ... + 14999.

It is an arithmetic number, because the mean of its divisors is an integer number (11480082).

Almost surely, 268851347 is an apocalyptic number.

68851347 is a deficient number, since it is larger than the sum of its proper divisors (22989309).

68851347 is a wasteful number, since it uses less digits than its factorization.

68851347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717.

The product of its digits is 161280, while the sum is 42.

The square root of 68851347 is about 8297.6711793129. The cubic root of 68851347 is about 409.8618352619.

The spelling of 68851347 in words is "sixty-eight million, eight hundred fifty-one thousand, three hundred forty-seven".

Divisors: 1 3 4057 5657 12171 16971 22950449 68851347