Base | Representation |
---|---|
bin | 1011111001010… |
… | …0000000000110 |
3 | 10110212122020100 |
4 | 2332110000012 |
5 | 100232424121 |
6 | 4541144530 |
7 | 1144023546 |
oct | 276240006 |
9 | 113778210 |
10 | 49889286 |
11 | 26185617 |
12 | 1485b146 |
13 | a449bb5 |
14 | 68a9326 |
15 | 45a7026 |
hex | 2f94006 |
49889286 has 48 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 16193520.
The previous prime is 49889267. The next prime is 49889291. The reversal of 49889286 is 68298894.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131445 + ... + 131823.
It is an arithmetic number, because the mean of its divisors is an integer number (2311920).
Almost surely, 249889286 is an apocalyptic number.
49889286 is an abundant number, since it is smaller than the sum of its proper divisors (61082874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49889286 is a wasteful number, since it uses less digits than its factorization.
49889286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561 (or 558 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 54.
The square root of 49889286 is about 7063.2348113311. The cubic root of 49889286 is about 368.1310330086.
The spelling of 49889286 in words is "forty-nine million, eight hundred eighty-nine thousand, two hundred eighty-six".
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