Base | Representation |
---|---|
bin | 101011011010011… |
… | …001001100011110 |
3 | 1212202111110121001 |
4 | 223122121030132 |
5 | 2442423323410 |
6 | 200134500514 |
7 | 24022531663 |
oct | 5332311436 |
9 | 1782443531 |
10 | 728339230 |
11 | 344146053 |
12 | 183b0473a |
13 | b7b82478 |
14 | 6ca33a6a |
15 | 43e1e33a |
hex | 2b69931e |
728339230 has 8 divisors (see below), whose sum is σ = 1311010632. Its totient is φ = 291335688.
The previous prime is 728339221. The next prime is 728339231. The reversal of 728339230 is 32933827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 728339230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (728339231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36416952 + ... + 36416971.
It is an arithmetic number, because the mean of its divisors is an integer number (163876329).
Almost surely, 2728339230 is an apocalyptic number.
728339230 is a deficient number, since it is larger than the sum of its proper divisors (582671402).
728339230 is a wasteful number, since it uses less digits than its factorization.
728339230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72833930.
The product of its (nonzero) digits is 54432, while the sum is 37.
The square root of 728339230 is about 26987.7607444560. The cubic root of 728339230 is about 899.7279959907.
The spelling of 728339230 in words is "seven hundred twenty-eight million, three hundred thirty-nine thousand, two hundred thirty".
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