Search a number
-
+
730069 is a prime number
BaseRepresentation
bin10110010001111010101
31101002110121
42302033111
5141330234
623351541
76130324
oct2621725
91332417
10730069
1145956a
122b25b1
131c73c2
141500bb
15e64b4
hexb23d5

730069 has 2 divisors, whose sum is σ = 730070. Its totient is φ = 730068.

The previous prime is 730049. The next prime is 730091. The reversal of 730069 is 960037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722500 + 7569 = 850^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 730069 - 27 = 729941 is a prime.

It is a super-2 number, since 2×7300692 = 1066001489522, which contains 22 as substring.

730069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365034 + 365035.

It is an arithmetic number, because the mean of its divisors is an integer number (365035).

2730069 is an apocalyptic number.

It is an amenable number.

730069 is a deficient number, since it is larger than the sum of its proper divisors (1).

730069 is an equidigital number, since it uses as much as digits as its factorization.

730069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 730069 is about 854.4407527734. The cubic root of 730069 is about 90.0439702840.

The spelling of 730069 in words is "seven hundred thirty thousand, sixty-nine".