Base | Representation |
---|---|
bin | 101011000110000… |
… | …001101110100100 |
3 | 1212101110012212020 |
4 | 223012001232210 |
5 | 2440042001403 |
6 | 155424223140 |
7 | 23626254246 |
oct | 5306015644 |
9 | 1771405766 |
10 | 723000228 |
11 | 341129855 |
12 | 18216aab0 |
13 | b6a332b2 |
14 | 6c044096 |
15 | 43717453 |
hex | 2b181ba4 |
723000228 has 48 divisors (see below), whose sum is σ = 1743942144. Its totient is φ = 232888320.
The previous prime is 723000227. The next prime is 723000263. The reversal of 723000228 is 822000327.
It is a junction number, because it is equal to n+sod(n) for n = 723000198 and 723000207.
It is not an unprimeable number, because it can be changed into a prime (723000227) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 451926 + ... + 453522.
It is an arithmetic number, because the mean of its divisors is an integer number (36332128).
Almost surely, 2723000228 is an apocalyptic number.
It is an amenable number.
723000228 is an abundant number, since it is smaller than the sum of its proper divisors (1020941916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
723000228 is a wasteful number, since it uses less digits than its factorization.
723000228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2852 (or 2850 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 723000228 is about 26888.6635592028. The cubic root of 723000228 is about 897.5241533629.
Subtracting 723000228 from its reverse (822000327), we obtain a palindrome (99000099).
The spelling of 723000228 in words is "seven hundred twenty-three million, two hundred twenty-eight", and thus it is an aban number.
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