Base | Representation |
---|---|
bin | 11111010010100000110 |
3 | 1221002102120 |
4 | 3322110012 |
5 | 230302121 |
6 | 33550410 |
7 | 11500113 |
oct | 3722406 |
9 | 1832376 |
10 | 1025286 |
11 | 640349 |
12 | 415406 |
13 | 29b8a2 |
14 | 1c990a |
15 | 153bc6 |
hex | fa506 |
1025286 has 8 divisors (see below), whose sum is σ = 2050584. Its totient is φ = 341760.
The previous prime is 1025281. The next prime is 1025303. The reversal of 1025286 is 6825201.
1025286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
1025286 is an admirable number.
It is a super-3 number, since 3×10252863 = 3233376938388280968, which contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025281) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85435 + ... + 85446.
It is an arithmetic number, because the mean of its divisors is an integer number (256323).
21025286 is an apocalyptic number.
1025286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025286 is a wasteful number, since it uses less digits than its factorization.
1025286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170886.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 1025286 is about 1012.5640720468. The cubic root of 1025286 is about 100.8358605716.
The spelling of 1025286 in words is "one million, twenty-five thousand, two hundred eighty-six".
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