Search a number
-
+
68260837 is a prime number
BaseRepresentation
bin1000001000110…
…01001111100101
311202110000021011
410010121033211
5114433321322
610435022221
71456131121
oct404311745
9152400234
1068260837
1135593417
121aa3a971
13111b0038
1490cc581
155ed5677
hex41193e5

68260837 has 2 divisors, whose sum is σ = 68260838. Its totient is φ = 68260836.

The previous prime is 68260813. The next prime is 68260847. The reversal of 68260837 is 73806286.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53714241 + 14546596 = 7329^2 + 3814^2 .

It is a cyclic number.

It is not a de Polignac number, because 68260837 - 211 = 68258789 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68260837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68260807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34130418 + 34130419.

It is an arithmetic number, because the mean of its divisors is an integer number (34130419).

Almost surely, 268260837 is an apocalyptic number.

It is an amenable number.

68260837 is a deficient number, since it is larger than the sum of its proper divisors (1).

68260837 is an equidigital number, since it uses as much as digits as its factorization.

68260837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68260837 is about 8262.0116799724. The cubic root of 68260837 is about 408.6867299439.

The spelling of 68260837 in words is "sixty-eight million, two hundred sixty thousand, eight hundred thirty-seven".