Base | Representation |
---|---|
bin | 10101101011000010000110 |
3 | 101200122021000 |
4 | 111223002012 |
5 | 2423300121 |
6 | 321434130 |
7 | 66201342 |
oct | 25530206 |
9 | 11618230 |
10 | 5681286 |
11 | 3230486 |
12 | 1a9b946 |
13 | 123bc10 |
14 | a7c622 |
15 | 773526 |
hex | 56b086 |
5681286 has 32 divisors (see below), whose sum is σ = 13597920. Its totient is φ = 1747872.
The previous prime is 5681279. The next prime is 5681293. The reversal of 5681286 is 6821865.
It is a happy number.
5681286 is a `hidden beast` number, since 568 + 12 + 86 = 666.
It is an interprime number because it is at equal distance from previous prime (5681279) and next prime (5681293).
It is a super-2 number, since 2×56812862 = 64554021227592, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 5681286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3345 + ... + 4748.
It is an arithmetic number, because the mean of its divisors is an integer number (424935).
Almost surely, 25681286 is an apocalyptic number.
5681286 is an abundant number, since it is smaller than the sum of its proper divisors (7916634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5681286 is a wasteful number, since it uses less digits than its factorization.
5681286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8117 (or 8111 counting only the distinct ones).
The product of its digits is 23040, while the sum is 36.
The square root of 5681286 is about 2383.5448390999. The cubic root of 5681286 is about 178.4358925215.
The spelling of 5681286 in words is "five million, six hundred eighty-one thousand, two hundred eighty-six".
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