Base | Representation |
---|---|
bin | 11101110111101000100000 |
3 | 112201210210210 |
4 | 131313220200 |
5 | 4001030143 |
6 | 435454120 |
7 | 123361062 |
oct | 35675040 |
9 | 15653723 |
10 | 7830048 |
11 | 4468916 |
12 | 2757340 |
13 | 1811c85 |
14 | 107b732 |
15 | a4a033 |
hex | 777a20 |
7830048 has 24 divisors (see below), whose sum is σ = 20554128. Its totient is φ = 2609984.
The previous prime is 7830041. The next prime is 7830077. The reversal of 7830048 is 8400387.
7830048 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (24).
It is a super-2 number, since 2×78300482 = 122619303364608, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7829997 and 7830024.
It is not an unprimeable number, because it can be changed into a prime (7830041) 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, 40686 + ... + 40877.
It is an arithmetic number, because the mean of its divisors is an integer number (856422).
Almost surely, 27830048 is an apocalyptic number.
It is an amenable number.
7830048 is an abundant number, since it is smaller than the sum of its proper divisors (12724080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7830048 is a wasteful number, since it uses less digits than its factorization.
7830048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81576 (or 81568 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 30.
The square root of 7830048 is about 2798.2222928138. Note that the first 4 decimals coincide. The cubic root of 7830048 is about 198.5735842089.
The spelling of 7830048 in words is "seven million, eight hundred thirty thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •