Base | Representation |
---|---|
bin | 11100101100101… |
… | …110111111111001 |
3 | 1020120000011120211 |
4 | 130230232333321 |
5 | 1441230121024 |
6 | 115435551121 |
7 | 14634405460 |
oct | 3454567771 |
9 | 1216004524 |
10 | 481488889 |
11 | 227873802 |
12 | 1152bb4a1 |
13 | 789a358b |
14 | 47d379d7 |
15 | 2c40d594 |
hex | 1cb2eff9 |
481488889 has 16 divisors (see below), whose sum is σ = 556351488. Its totient is φ = 408172752.
The previous prime is 481488883. The next prime is 481488901. The reversal of 481488889 is 988884184.
It is a cyclic number.
It is not a de Polignac number, because 481488889 - 25 = 481488857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (481488883) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259764 + ... + 261610.
It is an arithmetic number, because the mean of its divisors is an integer number (34771968).
Almost surely, 2481488889 is an apocalyptic number.
It is an amenable number.
481488889 is a deficient number, since it is larger than the sum of its proper divisors (74862599).
481488889 is a wasteful number, since it uses less digits than its factorization.
481488889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2244.
The product of its digits is 4718592, while the sum is 58.
The square root of 481488889 is about 21942.8550785899. The cubic root of 481488889 is about 783.7822486555.
The spelling of 481488889 in words is "four hundred eighty-one million, four hundred eighty-eight thousand, eight hundred eighty-nine".
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