Base | Representation |
---|---|
bin | 11101000101101… |
… | …001110110100001 |
3 | 1021000022001112000 |
4 | 131011221312201 |
5 | 1444413141114 |
6 | 120231554213 |
7 | 15044053641 |
oct | 3505516641 |
9 | 1230261460 |
10 | 488021409 |
11 | 230525787 |
12 | 11752b969 |
13 | 7a14ca85 |
14 | 48b58521 |
15 | 2cc9de09 |
hex | 1d169da1 |
488021409 has 16 divisors (see below), whose sum is σ = 727180800. Its totient is φ = 323463888.
The previous prime is 488021399. The next prime is 488021419. The reversal of 488021409 is 904120884.
It is an interprime number because it is at equal distance from previous prime (488021399) and next prime (488021419).
It is not a de Polignac number, because 488021409 - 25 = 488021377 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (488021419) 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, 47569 + ... + 56910.
It is an arithmetic number, because the mean of its divisors is an integer number (45448800).
Almost surely, 2488021409 is an apocalyptic number.
It is an amenable number.
488021409 is a deficient number, since it is larger than the sum of its proper divisors (239159391).
488021409 is a wasteful number, since it uses less digits than its factorization.
488021409 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104661 (or 104655 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 488021409 is about 22091.2065990068. The cubic root of 488021409 is about 787.3109496308.
The spelling of 488021409 in words is "four hundred eighty-eight million, twenty-one thousand, four hundred nine".
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