Base | Representation |
---|---|
bin | 11101110011010… |
… | …110010100110001 |
3 | 1021211211122010100 |
4 | 131303112110301 |
5 | 2011000000144 |
6 | 121340423013 |
7 | 15250634043 |
oct | 3563262461 |
9 | 1254748110 |
10 | 500000049 |
11 | 23726748a |
12 | 11b547a69 |
13 | 7c785123 |
14 | 4a595a93 |
15 | 2dd68269 |
hex | 1dcd6531 |
500000049 has 24 divisors (see below), whose sum is σ = 750321000. Its totient is φ = 320463360.
The previous prime is 500000041. The next prime is 500000057. The reversal of 500000049 is 940000005.
It is an interprime number because it is at equal distance from previous prime (500000041) and next prime (500000057).
It can be written as a sum of positive squares in 4 ways, for example, as 126157824 + 373842225 = 11232^2 + 19335^2 .
It is not a de Polignac number, because 500000049 - 23 = 500000041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 499999977 and 500000040.
It is not an unprimeable number, because it can be changed into a prime (500000041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58927 + ... + 66875.
It is an arithmetic number, because the mean of its divisors is an integer number (31263375).
Almost surely, 2500000049 is an apocalyptic number.
It is an amenable number.
500000049 is a deficient number, since it is larger than the sum of its proper divisors (250320951).
500000049 is a wasteful number, since it uses less digits than its factorization.
500000049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8225 (or 8222 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 500000049 is about 22360.6808706712. The cubic root of 500000049 is about 793.7005519116.
The spelling of 500000049 in words is "five hundred million, forty-nine", and thus it is an aban number.
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