Base | Representation |
---|---|
bin | 111110111010… |
… | …110110111100 |
3 | 1011000222112100 |
4 | 332322312330 |
5 | 13210302022 |
6 | 1345305100 |
7 | 260124333 |
oct | 76726674 |
9 | 34028470 |
10 | 16494012 |
11 | 9346217 |
12 | 5635190 |
13 | 3556692 |
14 | 2294d1a |
15 | 16ac1ac |
hex | fbadbc |
16494012 has 36 divisors (see below), whose sum is σ = 44147376. Its totient is φ = 5174400.
The previous prime is 16493999. The next prime is 16494017. The reversal of 16494012 is 21049461.
16494012 is a `hidden beast` number, since 1 + 649 + 4 + 0 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×164940122 = 544104863712288, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16494017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12864 + ... + 14087.
It is an arithmetic number, because the mean of its divisors is an integer number (1226316).
Almost surely, 216494012 is an apocalyptic number.
16494012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
16494012 is an abundant number, since it is smaller than the sum of its proper divisors (27653364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16494012 is a wasteful number, since it uses less digits than its factorization.
16494012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26978 (or 26973 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 16494012 is about 4061.2820635853. The cubic root of 16494012 is about 254.5513680290.
The spelling of 16494012 in words is "sixteen million, four hundred ninety-four thousand, twelve".
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