Search a number
-
+
68071 is a prime number
BaseRepresentation
bin10000100111100111
310110101011
4100213213
54134241
61243051
7402313
oct204747
9113334
1068071
1147163
1233487
1324ca3
141ab43
1515281
hex109e7

68071 has 2 divisors, whose sum is σ = 68072. Its totient is φ = 68070.

The previous prime is 68059. The next prime is 68087. The reversal of 68071 is 17086.

68071 = 1042 + 1052 + ... + 1092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68071 - 27 = 67943 is a prime.

It is a super-2 number, since 2×680712 = 9267322082, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34035 + 34036.

It is an arithmetic number, because the mean of its divisors is an integer number (34036).

268071 is an apocalyptic number.

68071 is a deficient number, since it is larger than the sum of its proper divisors (1).

68071 is an equidigital number, since it uses as much as digits as its factorization.

68071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 68071 is about 260.9041969766. The cubic root of 68071 is about 40.8307518383.

The spelling of 68071 in words is "sixty-eight thousand, seventy-one".