Base | Representation |
---|---|
bin | 100011001000… |
… | …0110110010110 |
3 | 1021122210020200 |
4 | 1012100312112 |
5 | 14203402334 |
6 | 1454441330 |
7 | 312362661 |
oct | 106206626 |
9 | 37583220 |
10 | 18419094 |
11 | a4405a1 |
12 | 6203246 |
13 | 3a7b995 |
14 | 26366d8 |
15 | 193c799 |
hex | 1190d96 |
18419094 has 24 divisors (see below), whose sum is σ = 42009240. Its totient is φ = 5816448.
The previous prime is 18419069. The next prime is 18419101. The reversal of 18419094 is 49091481.
It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 26587 + ... + 27270.
It is an arithmetic number, because the mean of its divisors is an integer number (1750385).
Almost surely, 218419094 is an apocalyptic number.
18419094 is an abundant number, since it is smaller than the sum of its proper divisors (23590146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18419094 is a wasteful number, since it uses less digits than its factorization.
18419094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53884 (or 53881 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 18419094 is about 4291.7471966555. The cubic root of 18419094 is about 264.0925123434.
The spelling of 18419094 in words is "eighteen million, four hundred nineteen thousand, ninety-four".
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