Base | Representation |
---|---|
bin | 11101000101011… |
… | …010000101010000 |
3 | 1021000011202220200 |
4 | 131011122011100 |
5 | 1444404104231 |
6 | 120230335200 |
7 | 15043364424 |
oct | 3505320520 |
9 | 1230152820 |
10 | 487956816 |
11 | 2304911a6 |
12 | 1174ba500 |
13 | 7a129559 |
14 | 48b3cb84 |
15 | 2cc89be6 |
hex | 1d15a150 |
487956816 has 30 divisors (see below), whose sum is σ = 1365601770. Its totient is φ = 162652224.
The previous prime is 487956811. The next prime is 487956853. The reversal of 487956816 is 618659784.
487956816 is a `hidden beast` number, since 4 + 8 + 79 + 568 + 1 + 6 = 666.
It can be written as a sum of positive squares in only one way, i.e., 436977216 + 50979600 = 20904^2 + 7140^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (487956811) 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, 1694151 + ... + 1694438.
It is an arithmetic number, because the mean of its divisors is an integer number (45520059).
Almost surely, 2487956816 is an apocalyptic number.
It is an amenable number.
487956816 is an abundant number, since it is smaller than the sum of its proper divisors (877644954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487956816 is a wasteful number, since it uses less digits than its factorization.
487956816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3388603 (or 3388594 counting only the distinct ones).
The product of its digits is 2903040, while the sum is 54.
The square root of 487956816 is about 22089.7445888358. The cubic root of 487956816 is about 787.2762127531.
It can be divided in two parts, 48795 and 6816, that added together give a triangular number (55611 = T333).
The spelling of 487956816 in words is "four hundred eighty-seven million, nine hundred fifty-six thousand, eight hundred sixteen".
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