Base | Representation |
---|---|
bin | 101011011100001… |
… | …010001100000110 |
3 | 1212210100222110200 |
4 | 223130022030012 |
5 | 2443033131204 |
6 | 200152431330 |
7 | 24026500221 |
oct | 5334121406 |
9 | 1783328420 |
10 | 728802054 |
11 | 344431852 |
12 | 1840a8546 |
13 | b7cb5026 |
14 | 6cb145b8 |
15 | 43eb1539 |
hex | 2b70a306 |
728802054 has 12 divisors (see below), whose sum is σ = 1579071156. Its totient is φ = 242934012.
The previous prime is 728802037. The next prime is 728802077. The reversal of 728802054 is 450208827.
It is a happy number.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 20244484 + ... + 20244519.
It is an arithmetic number, because the mean of its divisors is an integer number (131589263).
Almost surely, 2728802054 is an apocalyptic number.
728802054 is an abundant number, since it is smaller than the sum of its proper divisors (850269102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
728802054 is a wasteful number, since it uses less digits than its factorization.
728802054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40489011 (or 40489008 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 728802054 is about 26996.3340844641. The cubic root of 728802054 is about 899.9185333667.
The spelling of 728802054 in words is "seven hundred twenty-eight million, eight hundred two thousand, fifty-four".
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