Base | Representation |
---|---|
bin | 100010010101… |
… | …1000111101110 |
3 | 1020212121200002 |
4 | 1010223013232 |
5 | 14102034124 |
6 | 1441504302 |
7 | 306006113 |
oct | 104530756 |
9 | 36777602 |
10 | 18002414 |
11 | a186531 |
12 | 6042092 |
13 | 3964121 |
14 | 256890a |
15 | 18a90ae |
hex | 112b1ee |
18002414 has 8 divisors (see below), whose sum is σ = 27079920. Its totient is φ = 8975776.
The previous prime is 18002401. The next prime is 18002419. The reversal of 18002414 is 41420081.
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 (18002419) 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, 11819 + ... + 13254.
It is an arithmetic number, because the mean of its divisors is an integer number (3384990).
Almost surely, 218002414 is an apocalyptic number.
18002414 is a deficient number, since it is larger than the sum of its proper divisors (9077506).
18002414 is a wasteful number, since it uses less digits than its factorization.
18002414 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25434.
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 18002414 is about 4242.9251702098. The cubic root of 18002414 is about 262.0858545819.
Adding to 18002414 its reverse (41420081), we get a palindrome (59422495).
The spelling of 18002414 in words is "eighteen million, two thousand, four hundred fourteen".
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