Base | Representation |
---|---|
bin | 11101001001010… |
… | …101010110000100 |
3 | 1021002010001200011 |
4 | 131021111112010 |
5 | 2000140022423 |
6 | 120304400004 |
7 | 15055212061 |
oct | 3511252604 |
9 | 1232101604 |
10 | 488985988 |
11 | 231024457 |
12 | 117916004 |
13 | 7a3c9b2a |
14 | 48d29c68 |
15 | 2cddeb0d |
hex | 1d255584 |
488985988 has 6 divisors (see below), whose sum is σ = 855725486. Its totient is φ = 244492992.
The previous prime is 488985961. The next prime is 488986007. The reversal of 488985988 is 889589884.
It can be written as a sum of positive squares in only one way, i.e., 296941824 + 192044164 = 17232^2 + 13858^2 .
It is a super-2 number, since 2×4889859882 = 478214592920672288, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61123245 + ... + 61123252.
Almost surely, 2488985988 is an apocalyptic number.
It is an amenable number.
488985988 is a deficient number, since it is larger than the sum of its proper divisors (366739498).
488985988 is a wasteful number, since it uses less digits than its factorization.
488985988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122246501 (or 122246499 counting only the distinct ones).
The product of its digits is 53084160, while the sum is 67.
The square root of 488985988 is about 22113.0275629548. The cubic root of 488985988 is about 787.8293174777.
The spelling of 488985988 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, nine hundred eighty-eight".
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