Base | Representation |
---|---|
bin | 100110001101… |
… | …111001111100 |
3 | 200211222200220 |
4 | 212031321330 |
5 | 10031042203 |
6 | 554421340 |
7 | 151104150 |
oct | 46157174 |
9 | 20758626 |
10 | 10018428 |
11 | 5722aa2 |
12 | 3431850 |
13 | 20ca084 |
14 | 148b060 |
15 | d2d653 |
hex | 98de7c |
10018428 has 24 divisors (see below), whose sum is σ = 26716032. Its totient is φ = 2862384.
The previous prime is 10018357. The next prime is 10018429. The reversal of 10018428 is 82481001.
It is a junction number, because it is equal to n+sod(n) for n = 10018398 and 10018407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10018429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59550 + ... + 59717.
It is an arithmetic number, because the mean of its divisors is an integer number (1113168).
Almost surely, 210018428 is an apocalyptic number.
It is an amenable number.
10018428 is an abundant number, since it is smaller than the sum of its proper divisors (16697604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10018428 is a wasteful number, since it uses less digits than its factorization.
10018428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119281 (or 119279 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 24.
The square root of 10018428 is about 3165.1900416879. The cubic root of 10018428 is about 215.5757275360.
Adding to 10018428 its reverse (82481001), we get a palindrome (92499429).
It can be divided in two parts, 100 and 18428, that added together give a triangular number (18528 = T192).
The spelling of 10018428 in words is "ten million, eighteen thousand, four hundred twenty-eight".
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