Base | Representation |
---|---|
bin | 100100001001… |
… | …1011100010110 |
3 | 1022122222000020 |
4 | 1020103130112 |
5 | 14323012011 |
6 | 1514130010 |
7 | 320051331 |
oct | 110233426 |
9 | 38588006 |
10 | 18954006 |
11 | a776475 |
12 | 6420906 |
13 | 3c082b6 |
14 | 2735618 |
15 | 19e6006 |
hex | 1213716 |
18954006 has 8 divisors (see below), whose sum is σ = 37908024. Its totient is φ = 6318000.
The previous prime is 18953983. The next prime is 18954017. The reversal of 18954006 is 60045981.
It is a sphenic number, since it is the product of 3 distinct primes.
18954006 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579495 + ... + 1579506.
It is an arithmetic number, because the mean of its divisors is an integer number (4738503).
Almost surely, 218954006 is an apocalyptic number.
18954006 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.
18954006 is a wasteful number, since it uses less digits than its factorization.
18954006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3159006.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 18954006 is about 4353.6198731630. The cubic root of 18954006 is about 266.6246742905.
Adding to 18954006 its reverse (60045981), we get a palindrome (78999987).
The spelling of 18954006 in words is "eighteen million, nine hundred fifty-four thousand, six".
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