Base | Representation |
---|---|
bin | 101011011001010… |
… | …011110010110101 |
3 | 1212201222000122201 |
4 | 223121103302311 |
5 | 2442340224330 |
6 | 200124424501 |
7 | 24020236141 |
oct | 5331236265 |
9 | 1781860581 |
10 | 728054965 |
11 | 343a71520 |
12 | 1839a8131 |
13 | b7ab2c71 |
14 | 6c99c221 |
15 | 43db4eca |
hex | 2b653cb5 |
728054965 has 16 divisors (see below), whose sum is σ = 962534016. Its totient is φ = 524248000.
The previous prime is 728054963. The next prime is 728054969. The reversal of 728054965 is 569450827.
It is not a de Polignac number, because 728054965 - 21 = 728054963 is a prime.
It is a super-2 number, since 2×7280549652 = 1060128064122302450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728054963) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59977 + ... + 71086.
It is an arithmetic number, because the mean of its divisors is an integer number (60158376).
Almost surely, 2728054965 is an apocalyptic number.
It is an amenable number.
728054965 is a deficient number, since it is larger than the sum of its proper divisors (234479051).
728054965 is a wasteful number, since it uses less digits than its factorization.
728054965 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131180.
The product of its (nonzero) digits is 604800, while the sum is 46.
The square root of 728054965 is about 26982.4936764562. The cubic root of 728054965 is about 899.6109285358.
The spelling of 728054965 in words is "seven hundred twenty-eight million, fifty-four thousand, nine hundred sixty-five".
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