Base | Representation |
---|---|
bin | 11101110100001… |
… | …100001001000101 |
3 | 1021212020211111122 |
4 | 131310030021011 |
5 | 2011024023420 |
6 | 121345243325 |
7 | 15252542522 |
oct | 3564141105 |
9 | 1255224448 |
10 | 500220485 |
11 | 2373a8066 |
12 | 11b633545 |
13 | 7c83156b |
14 | 4a612149 |
15 | 2ddad725 |
hex | 1dd0c245 |
500220485 has 8 divisors (see below), whose sum is σ = 600441336. Its totient is φ = 400058560.
The previous prime is 500220481. The next prime is 500220493. The reversal of 500220485 is 584022005.
It can be written as a sum of positive squares in 4 ways, for example, as 99660289 + 400560196 = 9983^2 + 20014^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 500220485 - 22 = 500220481 is a prime.
It is a super-2 number, since 2×5002204852 = 500441067227270450, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (500220481) 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, 6815 + ... + 32355.
It is an arithmetic number, because the mean of its divisors is an integer number (75055167).
Almost surely, 2500220485 is an apocalyptic number.
It is an amenable number.
500220485 is a deficient number, since it is larger than the sum of its proper divisors (100220851).
500220485 is a wasteful number, since it uses less digits than its factorization.
500220485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29463.
The product of its (nonzero) digits is 3200, while the sum is 26.
The square root of 500220485 is about 22365.6094260809. The cubic root of 500220485 is about 793.8171748799.
The spelling of 500220485 in words is "five hundred million, two hundred twenty thousand, four hundred eighty-five".
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