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16494012 = 22321726951
BaseRepresentation
bin111110111010…
…110110111100
31011000222112100
4332322312330
513210302022
61345305100
7260124333
oct76726674
934028470
1016494012
119346217
125635190
133556692
142294d1a
1516ac1ac
hexfbadbc

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".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 26951 53902 80853 107804 161706 242559 323412 458167 485118 916334 970236 1374501 1832668 2749002 4123503 5498004 8247006 16494012