Base | Representation |
---|---|
bin | 11100101010111… |
… | …000010110000001 |
3 | 1020112002110220112 |
4 | 130222320112001 |
5 | 1441114043011 |
6 | 115421321105 |
7 | 14630312522 |
oct | 3452702601 |
9 | 1215073815 |
10 | 481002881 |
11 | 227571647 |
12 | 115106195 |
13 | 788632b8 |
14 | 47c4c849 |
15 | 2c36458b |
hex | 1cab8581 |
481002881 has 2 divisors, whose sum is σ = 481002882. Its totient is φ = 481002880.
The previous prime is 481002877. The next prime is 481002889. The reversal of 481002881 is 188200184.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 458345281 + 22657600 = 21409^2 + 4760^2 .
It is a cyclic number.
It is not a de Polignac number, because 481002881 - 22 = 481002877 is a prime.
It is a super-3 number, since 3×4810028813 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (481002889) by changing a digit.
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, 240501440 + 240501441.
It is an arithmetic number, because the mean of its divisors is an integer number (240501441).
Almost surely, 2481002881 is an apocalyptic number.
It is an amenable number.
481002881 is a deficient number, since it is larger than the sum of its proper divisors (1).
481002881 is an equidigital number, since it uses as much as digits as its factorization.
481002881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4096, while the sum is 32.
The square root of 481002881 is about 21931.7778805094. Note that the first 3 decimals coincide. The cubic root of 481002881 is about 783.5184470114.
The spelling of 481002881 in words is "four hundred eighty-one million, two thousand, eight hundred eighty-one".
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