Base | Representation |
---|---|
bin | 11101000100010… |
… | …001111011011000 |
3 | 1020222121202111121 |
4 | 131010101323120 |
5 | 1444320130042 |
6 | 120220135024 |
7 | 15041023660 |
oct | 3504217330 |
9 | 1228552447 |
10 | 487661272 |
11 | 2302aa14a |
12 | 117397474 |
13 | 7a054b87 |
14 | 48aa31a0 |
15 | 2cc2c367 |
hex | 1d111ed8 |
487661272 has 32 divisors (see below), whose sum is σ = 1090425600. Its totient is φ = 199910304.
The previous prime is 487661197. The next prime is 487661287. The reversal of 487661272 is 272166784.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188022 + ... + 190597.
It is an arithmetic number, because the mean of its divisors is an integer number (34075800).
Almost surely, 2487661272 is an apocalyptic number.
It is an amenable number.
487661272 is an abundant number, since it is smaller than the sum of its proper divisors (602764328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
487661272 is a wasteful number, since it uses less digits than its factorization.
487661272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378655 (or 378651 counting only the distinct ones).
The product of its digits is 225792, while the sum is 43.
The square root of 487661272 is about 22083.0539554655. The cubic root of 487661272 is about 787.1172357395.
The spelling of 487661272 in words is "four hundred eighty-seven million, six hundred sixty-one thousand, two hundred seventy-two".
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