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729041 is a prime number
BaseRepresentation
bin10110001111111010001
31101001001112
42301333101
5141312131
623343105
76124325
oct2617721
91331045
10729041
11458815
122b1a95
131c6ab1
1414d985
15e602b
hexb1fd1

729041 has 2 divisors, whose sum is σ = 729042. Its totient is φ = 729040.

The previous prime is 729037. The next prime is 729059. The reversal of 729041 is 140927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 246016 = 695^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 729041 - 22 = 729037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 728998 and 729016.

It is not a weakly prime, because it can be changed into another prime (729941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364520 + 364521.

It is an arithmetic number, because the mean of its divisors is an integer number (364521).

2729041 is an apocalyptic number.

It is an amenable number.

729041 is a deficient number, since it is larger than the sum of its proper divisors (1).

729041 is an equidigital number, since it uses as much as digits as its factorization.

729041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 729041 is about 853.8389777938. The cubic root of 729041 is about 90.0016872112.

Adding to 729041 its reverse (140927), we get a palindrome (869968).

The spelling of 729041 in words is "seven hundred twenty-nine thousand, forty-one".