Search a number
-
+
660029 is a prime number
BaseRepresentation
bin10100001001000111101
31020112101112
42201020331
5132110104
622051405
75416166
oct2411075
91215345
10660029
11410987
12279b65
131a1566
1413276d
15d086e
hexa123d

660029 has 2 divisors, whose sum is σ = 660030. Its totient is φ = 660028.

The previous prime is 660013. The next prime is 660047. The reversal of 660029 is 920066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 62500 = 773^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 660029 - 24 = 660013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 659986 and 660013.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 660029.

It is not a weakly prime, because it can be changed into another prime (660329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330014 + 330015.

It is an arithmetic number, because the mean of its divisors is an integer number (330015).

2660029 is an apocalyptic number.

It is an amenable number.

660029 is a deficient number, since it is larger than the sum of its proper divisors (1).

660029 is an equidigital number, since it uses as much as digits as its factorization.

660029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 660029 is about 812.4216885337. The cubic root of 660029 is about 87.0671521003.

The spelling of 660029 in words is "six hundred sixty thousand, twenty-nine".