Base | Representation |
---|---|
bin | 101000111001… |
… | …010110011100 |
3 | 202011122222210 |
4 | 220321112130 |
5 | 10221030133 |
6 | 1021440420 |
7 | 160060410 |
oct | 50712634 |
9 | 22148883 |
10 | 10720668 |
11 | 6062662 |
12 | 3710110 |
13 | 22b48ba |
14 | 15d0d40 |
15 | e1b763 |
hex | a3959c |
10720668 has 96 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 2819520.
The previous prime is 10720667. The next prime is 10720679. The reversal of 10720668 is 86602701.
It is a happy number.
10720668 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×107206682 = 229865444732448, which contains 22 as substring.
10720668 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10720663) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59803 + ... + 59981.
It is an arithmetic number, because the mean of its divisors is an integer number (322560).
Almost surely, 210720668 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10720668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15482880).
10720668 is an abundant number, since it is smaller than the sum of its proper divisors (20245092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10720668 is a wasteful number, since it uses less digits than its factorization.
10720668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247 (or 245 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 10720668 is about 3274.2431186459. The cubic root of 10720668 is about 220.4993341232.
The spelling of 10720668 in words is "ten million, seven hundred twenty thousand, six hundred sixty-eight".
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