Base | Representation |
---|---|
bin | 100011010100… |
… | …0001000000010 |
3 | 1021211122000210 |
4 | 1012220020002 |
5 | 14214430214 |
6 | 1500454550 |
7 | 313240641 |
oct | 106501002 |
9 | 37748023 |
10 | 18514434 |
11 | a4a6194 |
12 | 624a456 |
13 | 3ab31b3 |
14 | 265d358 |
15 | 195ab59 |
hex | 11a8202 |
18514434 has 8 divisors (see below), whose sum is σ = 37028880. Its totient is φ = 6171476.
The previous prime is 18514429. The next prime is 18514451. The reversal of 18514434 is 43441581.
It is a sphenic number, since it is the product of 3 distinct primes.
18514434 is an admirable number.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542864 + ... + 1542875.
It is an arithmetic number, because the mean of its divisors is an integer number (4628610).
Almost surely, 218514434 is an apocalyptic number.
18514434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18514434 is a wasteful number, since it uses less digits than its factorization.
18514434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3085744.
The product of its digits is 7680, while the sum is 30.
The square root of 18514434 is about 4302.8402247818. The cubic root of 18514434 is about 264.5473892575.
The spelling of 18514434 in words is "eighteen million, five hundred fourteen thousand, four hundred thirty-four".
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