Base | Representation |
---|---|
bin | 100011001010… |
… | …0000000001110 |
3 | 1021200102222012 |
4 | 1012110000032 |
5 | 14204311024 |
6 | 1455021222 |
7 | 312445436 |
oct | 106240016 |
9 | 37612865 |
10 | 18432014 |
11 | a44a277 |
12 | 620a812 |
13 | 3a84823 |
14 | 263b2c6 |
15 | 194150e |
hex | 119400e |
18432014 has 8 divisors (see below), whose sum is σ = 29103240. Its totient is φ = 8730936.
The previous prime is 18431999. The next prime is 18432017. The reversal of 18432014 is 41023481.
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 (18432017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242489 + ... + 242564.
It is an arithmetic number, because the mean of its divisors is an integer number (3637905).
Almost surely, 218432014 is an apocalyptic number.
18432014 is a deficient number, since it is larger than the sum of its proper divisors (10671226).
18432014 is a wasteful number, since it uses less digits than its factorization.
18432014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485074.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 18432014 is about 4293.2521472655. The cubic root of 18432014 is about 264.1542467909.
Adding to 18432014 its reverse (41023481), we get a palindrome (59455495).
The spelling of 18432014 in words is "eighteen million, four hundred thirty-two thousand, fourteen".
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