Base | Representation |
---|---|
bin | 11111000011000… |
… | …001100011010001 |
3 | 1100022010202220220 |
4 | 133003001203101 |
5 | 2031321331411 |
6 | 123404223253 |
7 | 15623314323 |
oct | 3703014321 |
9 | 1308122826 |
10 | 520886481 |
11 | 2480327a5 |
12 | 12653ab29 |
13 | 83bb8b6b |
14 | 4d271613 |
15 | 30ae1b06 |
hex | 1f0c18d1 |
520886481 has 8 divisors (see below), whose sum is σ = 713286144. Its totient is φ = 337872240.
The previous prime is 520886461. The next prime is 520886507. The reversal of 520886481 is 184688025.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 520886481 - 26 = 520886417 is a prime.
It is a super-2 number, since 2×5208864812 = 542645452177126722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (520886441) 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 in 7 ways as a sum of consecutive naturals, for example, 2346225 + ... + 2346446.
It is an arithmetic number, because the mean of its divisors is an integer number (89160768).
Almost surely, 2520886481 is an apocalyptic number.
It is an amenable number.
520886481 is a deficient number, since it is larger than the sum of its proper divisors (192399663).
520886481 is a wasteful number, since it uses less digits than its factorization.
520886481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4692711.
The product of its (nonzero) digits is 122880, while the sum is 42.
The square root of 520886481 is about 22822.9376067149. The cubic root of 520886481 is about 804.6018534448.
The spelling of 520886481 in words is "five hundred twenty million, eight hundred eighty-six thousand, four hundred eighty-one".
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