Base | Representation |
---|---|
bin | 100111001111… |
… | …101011011110 |
3 | 201100200021001 |
4 | 213033223132 |
5 | 10113202323 |
6 | 1004300514 |
7 | 153305461 |
oct | 47175336 |
9 | 21320231 |
10 | 10287838 |
11 | 5897450 |
12 | 354173a |
13 | 21928a2 |
14 | 151b2d8 |
15 | d833ad |
hex | 9cfade |
10287838 has 8 divisors (see below), whose sum is σ = 16834680. Its totient is φ = 4676280.
The previous prime is 10287821. The next prime is 10287847. The reversal of 10287838 is 83878201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×102878382 = 211679221428488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10287797 and 10287806.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233793 + ... + 233836.
It is an arithmetic number, because the mean of its divisors is an integer number (2104335).
Almost surely, 210287838 is an apocalyptic number.
10287838 is a deficient number, since it is larger than the sum of its proper divisors (6546842).
10287838 is a wasteful number, since it uses less digits than its factorization.
10287838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 467642.
The product of its (nonzero) digits is 21504, while the sum is 37.
The square root of 10287838 is about 3207.4659779957. The cubic root of 10287838 is about 217.4910411600.
The spelling of 10287838 in words is "ten million, two hundred eighty-seven thousand, eight hundred thirty-eight".
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