Base | Representation |
---|---|
bin | 1001001111010110… |
… | …0111010101001001 |
3 | 20101212010120110222 |
4 | 2103311213111021 |
5 | 20034424233411 |
6 | 1050041315425 |
7 | 115315151213 |
oct | 22365472511 |
9 | 6355116428 |
10 | 2480305481 |
11 | 1063082245 |
12 | 592795b75 |
13 | 306b250a4 |
14 | 1975a55b3 |
15 | e7b3a4db |
hex | 93d67549 |
2480305481 has 4 divisors (see below), whose sum is σ = 2480410500. Its totient is φ = 2480200464.
The previous prime is 2480305469. The next prime is 2480305483. The reversal of 2480305481 is 1845030842.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 1632564025 + 847741456 = 40405^2 + 29116^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2480305481 is a prime.
It is a super-2 number, since 2×24803054812 = 12303830558157282722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2480305483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 70443.
It is an arithmetic number, because the mean of its divisors is an integer number (620102625).
Almost surely, 22480305481 is an apocalyptic number.
It is an amenable number.
2480305481 is a deficient number, since it is larger than the sum of its proper divisors (105019).
2480305481 is an equidigital number, since it uses as much as digits as its factorization.
2480305481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105018.
The product of its (nonzero) digits is 30720, while the sum is 35.
The square root of 2480305481 is about 49802.6654005586. The cubic root of 2480305481 is about 1353.6354651475.
The spelling of 2480305481 in words is "two billion, four hundred eighty million, three hundred five thousand, four hundred eighty-one".
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