Base | Representation |
---|---|
bin | 100010110001… |
… | …1101011010110 |
3 | 1021022101102221 |
4 | 1011203223112 |
5 | 14131442240 |
6 | 1450452554 |
7 | 310662361 |
oct | 105435326 |
9 | 37271387 |
10 | 18234070 |
11 | a324588 |
12 | 613415a |
13 | 3a156ba |
14 | 25c90d8 |
15 | 1902a4a |
hex | 1163ad6 |
18234070 has 8 divisors (see below), whose sum is σ = 32821344. Its totient is φ = 7293624.
The previous prime is 18234043. The next prime is 18234071. The reversal of 18234070 is 7043281.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18234071) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911694 + ... + 911713.
It is an arithmetic number, because the mean of its divisors is an integer number (4102668).
Almost surely, 218234070 is an apocalyptic number.
18234070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18234070 is a deficient number, since it is larger than the sum of its proper divisors (14587274).
18234070 is a wasteful number, since it uses less digits than its factorization.
18234070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823414.
The product of its (nonzero) digits is 1344, while the sum is 25.
The square root of 18234070 is about 4270.1370001441. The cubic root of 18234070 is about 263.2052449043.
The spelling of 18234070 in words is "eighteen million, two hundred thirty-four thousand, seventy".
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