Base | Representation |
---|---|
bin | 101011011010110… |
… | …010100010101110 |
3 | 1212202200202000101 |
4 | 223122302202232 |
5 | 2442440134204 |
6 | 200141021314 |
7 | 24023443453 |
oct | 5332624256 |
9 | 1782622011 |
10 | 728443054 |
11 | 344207059 |
12 | 183b5483a |
13 | b7bba7c1 |
14 | 6ca5d82a |
15 | 43e3eea4 |
hex | 2b6b28ae |
728443054 has 16 divisors (see below), whose sum is σ = 1138983120. Its totient is φ = 348974080.
The previous prime is 728443021. The next prime is 728443057. The reversal of 728443054 is 450344827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728443057) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40339 + ... + 55534.
It is an arithmetic number, because the mean of its divisors is an integer number (71186445).
Almost surely, 2728443054 is an apocalyptic number.
728443054 is a deficient number, since it is larger than the sum of its proper divisors (410540066).
728443054 is a wasteful number, since it uses less digits than its factorization.
728443054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96035.
The product of its (nonzero) digits is 107520, while the sum is 37.
The square root of 728443054 is about 26989.6842145291. The cubic root of 728443054 is about 899.7707457229.
The spelling of 728443054 in words is "seven hundred twenty-eight million, four hundred forty-three thousand, fifty-four".
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