Base | Representation |
---|---|
bin | 11101000100110… |
… | …101110110101000 |
3 | 1020222220020100200 |
4 | 131010311312220 |
5 | 1444334332144 |
6 | 120223232200 |
7 | 15042205665 |
oct | 3504656650 |
9 | 1228806320 |
10 | 487808424 |
11 | 23039a764 |
12 | 117448660 |
13 | 7a0a6b4c |
14 | 48b00a6c |
15 | 2cc5ac69 |
hex | 1d135da8 |
487808424 has 24 divisors (see below), whose sum is σ = 1321148010. Its totient is φ = 162602784.
The previous prime is 487808423. The next prime is 487808429. The reversal of 487808424 is 424808784.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 427248900 + 60559524 = 20670^2 + 7782^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 487808424.
It is not an unprimeable number, because it can be changed into a prime (487808423) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3387487 + ... + 3387630.
Almost surely, 2487808424 is an apocalyptic number.
It is an amenable number.
487808424 is an abundant number, since it is smaller than the sum of its proper divisors (833339586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487808424 is a wasteful number, since it uses less digits than its factorization.
487808424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6775129 (or 6775122 counting only the distinct ones).
The product of its (nonzero) digits is 458752, while the sum is 45.
The square root of 487808424 is about 22086.3854897084. The cubic root of 487808424 is about 787.1963987665.
The spelling of 487808424 in words is "four hundred eighty-seven million, eight hundred eight thousand, four hundred twenty-four".
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