Base | Representation |
---|---|
bin | 100010100100… |
… | …1010011110000 |
3 | 1021002220021201 |
4 | 1011021103300 |
5 | 14120013224 |
6 | 1444300544 |
7 | 310032445 |
oct | 105112360 |
9 | 37086251 |
10 | 18126064 |
11 | a260420 |
12 | 60a1754 |
13 | 39a84a8 |
14 | 259b9cc |
15 | 18d0a44 |
hex | 11494f0 |
18126064 has 40 divisors (see below), whose sum is σ = 38591280. Its totient is φ = 8179200.
The previous prime is 18126061. The next prime is 18126079. The reversal of 18126064 is 46062181.
It is a super-2 number, since 2×181260642 = 657108392264192, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18126061) 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, 31572 + ... + 32140.
It is an arithmetic number, because the mean of its divisors is an integer number (964782).
Almost surely, 218126064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18126064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19295640).
18126064 is an abundant number, since it is smaller than the sum of its proper divisors (20465216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18126064 is a wasteful number, since it uses less digits than its factorization.
18126064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 769 (or 763 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
The square root of 18126064 is about 4257.4715501105. The cubic root of 18126064 is about 262.6845335861.
It can be divided in two parts, 181 and 26064, that multiplied together give a square (4717584 = 21722).
The spelling of 18126064 in words is "eighteen million, one hundred twenty-six thousand, sixty-four".
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