Base | Representation |
---|---|
bin | 100010011110… |
… | …0101001100110 |
3 | 1021000021011100 |
4 | 1010330221212 |
5 | 14111333324 |
6 | 1443220530 |
7 | 306425334 |
oct | 104745146 |
9 | 37007140 |
10 | 18074214 |
11 | a225474 |
12 | 6077746 |
13 | 398aa02 |
14 | 2586b54 |
15 | 18c04c9 |
hex | 113ca66 |
18074214 has 24 divisors (see below), whose sum is σ = 39283920. Its totient is φ = 6005808.
The previous prime is 18074141. The next prime is 18074227. The reversal of 18074214 is 41247081.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5064 + ... + 7860.
It is an arithmetic number, because the mean of its divisors is an integer number (1636830).
Almost surely, 218074214 is an apocalyptic number.
18074214 is an abundant number, since it is smaller than the sum of its proper divisors (21209706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18074214 is a wasteful number, since it uses less digits than its factorization.
18074214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3164 (or 3161 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 18074214 is about 4251.3778942832. The cubic root of 18074214 is about 262.4338227737.
The spelling of 18074214 in words is "eighteen million, seventy-four thousand, two hundred fourteen".
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