Base | Representation |
---|---|
bin | 1101011001001… |
… | …1111000111110 |
3 | 10220201020212100 |
4 | 3112103320332 |
5 | 103340232121 |
6 | 5324045530 |
7 | 1251344631 |
oct | 326237076 |
9 | 126636770 |
10 | 56180286 |
11 | 29792098 |
12 | 169938a6 |
13 | b840496 |
14 | 7665c18 |
15 | 4deb026 |
hex | 3593e3e |
56180286 has 24 divisors (see below), whose sum is σ = 121899960. Its totient is φ = 18699696.
The previous prime is 56180273. The next prime is 56180351. The reversal of 56180286 is 68208165.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 56180286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13525 + ... + 17183.
It is an arithmetic number, because the mean of its divisors is an integer number (5079165).
Almost surely, 256180286 is an apocalyptic number.
56180286 is an abundant number, since it is smaller than the sum of its proper divisors (65719674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56180286 is a wasteful number, since it uses less digits than its factorization.
56180286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4520 (or 4517 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 56180286 is about 7495.3509590946. The cubic root of 56180286 is about 382.9963618831.
The spelling of 56180286 in words is "fifty-six million, one hundred eighty thousand, two hundred eighty-six".
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