Base | Representation |
---|---|
bin | 11101000010011… |
… | …101010001000100 |
3 | 1020221201111000200 |
4 | 131002131101010 |
5 | 1444204332203 |
6 | 120202010500 |
7 | 15033663564 |
oct | 3502352104 |
9 | 1227644020 |
10 | 487183428 |
11 | 230003136 |
12 | 1171a6a30 |
13 | 79c18524 |
14 | 489bada4 |
15 | 2cb859a3 |
hex | 1d09d444 |
487183428 has 54 divisors (see below), whose sum is σ = 1241929962. Its totient is φ = 161026560.
The previous prime is 487183387. The next prime is 487183429. The reversal of 487183428 is 824381784.
487183428 is a `hidden beast` number, since 48 + 7 + 183 + 428 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 111133764 + 376049664 = 10542^2 + 19392^2 .
It is not an unprimeable number, because it can be changed into a prime (487183429) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2021388 + ... + 2021628.
It is an arithmetic number, because the mean of its divisors is an integer number (22998703).
Almost surely, 2487183428 is an apocalyptic number.
It is an amenable number.
487183428 is an abundant number, since it is smaller than the sum of its proper divisors (754746534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487183428 is a wasteful number, since it uses less digits than its factorization.
487183428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725 (or 479 counting only the distinct ones).
The product of its digits is 344064, while the sum is 45.
The square root of 487183428 is about 22072.2320574970. The cubic root of 487183428 is about 786.8600612169.
The spelling of 487183428 in words is "four hundred eighty-seven million, one hundred eighty-three thousand, four hundred twenty-eight".
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