Search a number
-
+
68883433 is a prime number
BaseRepresentation
bin1000001101100…
…01001111101001
311210121122022021
410012301033221
5120113232213
610500224441
71464333223
oct406611751
9153548267
1068883433
1135979163
121b09b121
131136a538
149211413
1560a9d8d
hex41b13e9

68883433 has 2 divisors, whose sum is σ = 68883434. Its totient is φ = 68883432.

The previous prime is 68883431. The next prime is 68883449. The reversal of 68883433 is 33438886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 3790809 = 8068^2 + 1947^2 .

It is a cyclic number.

It is not a de Polignac number, because 68883433 - 21 = 68883431 is a prime.

Together with 68883431, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68883433.

It is not a weakly prime, because it can be changed into another prime (68883431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34441716 + 34441717.

It is an arithmetic number, because the mean of its divisors is an integer number (34441717).

Almost surely, 268883433 is an apocalyptic number.

It is an amenable number.

68883433 is a deficient number, since it is larger than the sum of its proper divisors (1).

68883433 is an equidigital number, since it uses as much as digits as its factorization.

68883433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 68883433 is about 8299.6043881621. The cubic root of 68883433 is about 409.9254931040.

The spelling of 68883433 in words is "sixty-eight million, eight hundred eighty-three thousand, four hundred thirty-three".