Base | Representation |
---|---|
bin | 101000111011… |
… | …001100011100 |
3 | 202012001100111 |
4 | 220323030130 |
5 | 10221300340 |
6 | 1021535404 |
7 | 160121416 |
oct | 50731434 |
9 | 22161314 |
10 | 10728220 |
11 | 60682a8 |
12 | 3714564 |
13 | 22b8179 |
14 | 15d39b6 |
15 | e1daea |
hex | a3b31c |
10728220 has 48 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 4121600.
The previous prime is 10728209. The next prime is 10728229. The reversal of 10728220 is 2282701.
10728220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 10728191 and 10728200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10728229) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94884 + ... + 94996.
It is an arithmetic number, because the mean of its divisors is an integer number (488376).
Almost surely, 210728220 is an apocalyptic number.
10728220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10728220 is an abundant number, since it is smaller than the sum of its proper divisors (12713828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10728220 is a wasteful number, since it uses less digits than its factorization.
10728220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270 (or 268 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 22.
The square root of 10728220 is about 3275.3961592455. The cubic root of 10728220 is about 220.5510976922.
The spelling of 10728220 in words is "ten million, seven hundred twenty-eight thousand, two hundred twenty".
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