Base | Representation |
---|---|
bin | 100000000110111… |
… | …000111101011001 |
3 | 1101112121122001000 |
4 | 200012320331121 |
5 | 2100400131311 |
6 | 125241415213 |
7 | 16230452055 |
oct | 4006707531 |
9 | 1345548030 |
10 | 538677081 |
11 | 257084078 |
12 | 13049a509 |
13 | 877a7747 |
14 | 51782c65 |
15 | 32458056 |
hex | 201b8f59 |
538677081 has 16 divisors (see below), whose sum is σ = 801388800. Its totient is φ = 357611184.
The previous prime is 538677077. The next prime is 538677121. The reversal of 538677081 is 180776835.
It is not a de Polignac number, because 538677081 - 22 = 538677077 is a prime.
It is a super-2 number, since 2×5386770812 = 580345995189361122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (538678081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35286 + ... + 48191.
It is an arithmetic number, because the mean of its divisors is an integer number (50086800).
Almost surely, 2538677081 is an apocalyptic number.
It is an amenable number.
538677081 is a deficient number, since it is larger than the sum of its proper divisors (262711719).
538677081 is a wasteful number, since it uses less digits than its factorization.
538677081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83725 (or 83719 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The square root of 538677081 is about 23209.4179375529. The cubic root of 538677081 is about 813.6597495951.
The spelling of 538677081 in words is "five hundred thirty-eight million, six hundred seventy-seven thousand, eighty-one".
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