Base | Representation |
---|---|
bin | 100011001001… |
… | …1001100001010 |
3 | 1021200021101210 |
4 | 1012103030022 |
5 | 14204204212 |
6 | 1454553550 |
7 | 312432636 |
oct | 106231412 |
9 | 37607353 |
10 | 18428682 |
11 | a447818 |
12 | 62088b6 |
13 | 3a8315c |
14 | 2639dc6 |
15 | 194053c |
hex | 119330a |
18428682 has 16 divisors (see below), whose sum is σ = 37715040. Its totient is φ = 5999952.
The previous prime is 18428633. The next prime is 18428713. The reversal of 18428682 is 28682481.
It is a self number, because there is not a number n which added to its sum of digits gives 18428682.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35457 + ... + 35972.
It is an arithmetic number, because the mean of its divisors is an integer number (2357190).
Almost surely, 218428682 is an apocalyptic number.
18428682 is an abundant number, since it is smaller than the sum of its proper divisors (19286358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18428682 is a wasteful number, since it uses less digits than its factorization.
18428682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71477.
The product of its digits is 49152, while the sum is 39.
The square root of 18428682 is about 4292.8640789105. The cubic root of 18428682 is about 264.1383285631.
It can be divided in two parts, 18428 and 682, that added together give a triangular number (19110 = T195).
The spelling of 18428682 in words is "eighteen million, four hundred twenty-eight thousand, six hundred eighty-two".
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