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68892643 is a prime number
BaseRepresentation
bin1000001101100…
…11011111100011
311210122002221101
410012303133203
5120114031033
610500335231
71464402121
oct406633743
9153562841
1068892643
1135985076
121b0a4517
13113717a1
149214911
1560ac97d
hex41b37e3

68892643 has 2 divisors, whose sum is σ = 68892644. Its totient is φ = 68892642.

The previous prime is 68892623. The next prime is 68892667. The reversal of 68892643 is 34629886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68892643 - 25 = 68892611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68892593 and 68892602.

It is not a weakly prime, because it can be changed into another prime (68892623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34446321 + 34446322.

It is an arithmetic number, because the mean of its divisors is an integer number (34446322).

Almost surely, 268892643 is an apocalyptic number.

68892643 is a deficient number, since it is larger than the sum of its proper divisors (1).

68892643 is an equidigital number, since it uses as much as digits as its factorization.

68892643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 68892643 is about 8300.1592153404. The cubic root of 68892643 is about 409.9437618680.

The spelling of 68892643 in words is "sixty-eight million, eight hundred ninety-two thousand, six hundred forty-three".