Search a number
-
+
67300789 is a prime number
BaseRepresentation
bin1000000001011…
…10110110110101
311200122020022211
410000232312311
5114212111124
610402253421
71445022133
oct400566665
9150566284
1067300789
1134a98096
121a657271
1310c3506a
148d1c753
155d95e94
hex402edb5

67300789 has 2 divisors, whose sum is σ = 67300790. Its totient is φ = 67300788.

The previous prime is 67300787. The next prime is 67300801. The reversal of 67300789 is 98700376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49238289 + 18062500 = 7017^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 67300789 - 21 = 67300787 is a prime.

Together with 67300787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67300781) 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, 33650394 + 33650395.

It is an arithmetic number, because the mean of its divisors is an integer number (33650395).

Almost surely, 267300789 is an apocalyptic number.

It is an amenable number.

67300789 is a deficient number, since it is larger than the sum of its proper divisors (1).

67300789 is an equidigital number, since it uses as much as digits as its factorization.

67300789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 67300789 is about 8203.7058089622. The cubic root of 67300789 is about 406.7616982812.

The spelling of 67300789 in words is "sixty-seven million, three hundred thousand, seven hundred eighty-nine".