Search a number
-
+
67333841 is a prime number
BaseRepresentation
bin1000000001101…
…10111011010001
311200200220122222
410000312323101
5114214140331
610403110425
71445220401
oct400667321
9150626588
1067333841
113500aa03
121a672415
1310c47113
148d2a801
155da0b7b
hex4036ed1

67333841 has 2 divisors, whose sum is σ = 67333842. Its totient is φ = 67333840.

The previous prime is 67333831. The next prime is 67333843. The reversal of 67333841 is 14833376.

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., 38130625 + 29203216 = 6175^2 + 5404^2 .

It is a cyclic number.

It is not a de Polignac number, because 67333841 - 226 = 224977 is a prime.

It is a super-2 number, since 2×673338412 = 9067692287626562, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 67333843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (67333843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33666920 + 33666921.

It is an arithmetic number, because the mean of its divisors is an integer number (33666921).

Almost surely, 267333841 is an apocalyptic number.

It is an amenable number.

67333841 is a deficient number, since it is larger than the sum of its proper divisors (1).

67333841 is an equidigital number, since it uses as much as digits as its factorization.

67333841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 67333841 is about 8205.7200171588. The cubic root of 67333841 is about 406.8282754471.

The spelling of 67333841 in words is "sixty-seven million, three hundred thirty-three thousand, eight hundred forty-one".