Base | Representation |
---|---|
bin | 11101000100110… |
… | …001000100001100 |
3 | 1020222212020110022 |
4 | 131010301010030 |
5 | 1444333220222 |
6 | 120223001312 |
7 | 15042064550 |
oct | 3504610414 |
9 | 1228766408 |
10 | 487788812 |
11 | 230386a55 |
12 | 117439238 |
13 | 7a09ac44 |
14 | 48ad7860 |
15 | 2cc55042 |
hex | 1d13110c |
487788812 has 12 divisors (see below), whose sum is σ = 975577680. Its totient is φ = 209052336.
The previous prime is 487788799. The next prime is 487788817. The reversal of 487788812 is 218887784.
487788812 is an admirable number.
It is a super-2 number, since 2×4877888122 = 475875850224742688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (487788817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8710487 + ... + 8710542.
It is an arithmetic number, because the mean of its divisors is an integer number (81298140).
Almost surely, 2487788812 is an apocalyptic number.
It is an amenable number.
487788812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487788812 is a wasteful number, since it uses less digits than its factorization.
487788812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17421040 (or 17421038 counting only the distinct ones).
The product of its digits is 1605632, while the sum is 53.
The square root of 487788812 is about 22085.9415013261. The cubic root of 487788812 is about 787.1858490630.
The spelling of 487788812 in words is "four hundred eighty-seven million, seven hundred eighty-eight thousand, eight hundred twelve".
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