Base | Representation |
---|---|
bin | 1111101100000110… |
… | …11010000010100000 |
3 | 210202000110112222021 |
4 | 13312003122002200 |
5 | 114222300234040 |
6 | 3511451151224 |
7 | 415505535115 |
oct | 76603320240 |
9 | 23660415867 |
10 | 8423055520 |
11 | 3632660310 |
12 | 1770a45514 |
13 | a43097829 |
14 | 59c95090c |
15 | 34471524a |
hex | 1f60da0a0 |
8423055520 has 48 divisors (see below), whose sum is σ = 21708515808. Its totient is φ = 3062928640.
The previous prime is 8423055479. The next prime is 8423055577. The reversal of 8423055520 is 255503248.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391154 + ... + 2394673.
It is an arithmetic number, because the mean of its divisors is an integer number (452260746).
Almost surely, 28423055520 is an apocalyptic number.
8423055520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8423055520 is an abundant number, since it is smaller than the sum of its proper divisors (13285460288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8423055520 is a wasteful number, since it uses less digits than its factorization.
8423055520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4785853 (or 4785845 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 34.
The square root of 8423055520 is about 91777.2058846858. The cubic root of 8423055520 is about 2034.6508199611.
Adding to 8423055520 its reverse (255503248), we get a palindrome (8678558768).
The spelling of 8423055520 in words is "eight billion, four hundred twenty-three million, fifty-five thousand, five hundred twenty".
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