Base | Representation |
---|---|
bin | 1101100010101… |
… | …1110010110001 |
3 | 10221212212100121 |
4 | 3120223302301 |
5 | 104020134411 |
6 | 5345250241 |
7 | 1256545621 |
oct | 330536261 |
9 | 127785317 |
10 | 56802481 |
11 | 2a0775aa |
12 | 17033981 |
13 | b9ca748 |
14 | 7788881 |
15 | 4ec0571 |
hex | 362bcb1 |
56802481 has 2 divisors, whose sum is σ = 56802482. Its totient is φ = 56802480.
The previous prime is 56802469. The next prime is 56802497. The reversal of 56802481 is 18420865.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 43230625 + 13571856 = 6575^2 + 3684^2 .
It is a cyclic number.
It is not a de Polignac number, because 56802481 - 27 = 56802353 is a prime.
It is a super-3 number, since 3×568024813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not a weakly prime, because it can be changed into another prime (56802181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28401240 + 28401241.
It is an arithmetic number, because the mean of its divisors is an integer number (28401241).
Almost surely, 256802481 is an apocalyptic number.
It is an amenable number.
56802481 is a deficient number, since it is larger than the sum of its proper divisors (1).
56802481 is an equidigital number, since it uses as much as digits as its factorization.
56802481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15360, while the sum is 34.
The square root of 56802481 is about 7536.7420680291. The cubic root of 56802481 is about 384.4050652756.
The spelling of 56802481 in words is "fifty-six million, eight hundred two thousand, four hundred eighty-one".
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