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729068 = 221953181
BaseRepresentation
bin10110001111111101100
31101001002112
42301333230
5141312233
623343152
76124364
oct2617754
91331075
10729068
1145883a
122b1ab8
131c6b02
1414d9a4
15e6048
hexb1fec

729068 has 24 divisors (see below), whose sum is σ = 1375920. Its totient is φ = 336960.

The previous prime is 729059. The next prime is 729073. The reversal of 729068 is 860927.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

729068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 3938 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

2729068 is an apocalyptic number.

It is an amenable number.

729068 is a deficient number, since it is larger than the sum of its proper divisors (646852).

729068 is a wasteful number, since it uses less digits than its factorization.

729068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 729068 is about 853.8547885911. The cubic root of 729068 is about 90.0027982669.

The spelling of 729068 in words is "seven hundred twenty-nine thousand, sixty-eight".

Divisors: 1 2 4 19 38 53 76 106 181 212 362 724 1007 2014 3439 4028 6878 9593 13756 19186 38372 182267 364534 729068