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126448816 = 24132920963
BaseRepresentation
bin1111000100101…
…11010010110000
322210221021011111
413202113102300
5224332330231
620314123104
73063540304
oct742272260
9283837144
10126448816
116541695a
1236420494
13202742b0
1412b17d04
15b17b4b1
hex78974b0

126448816 has 40 divisors (see below), whose sum is σ = 272951280. Its totient is φ = 56345856.

The previous prime is 126448811. The next prime is 126448823. The reversal of 126448816 is 618844621.

It is not an unprimeable number, because it can be changed into a prime (126448811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4450 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (6823782).

Almost surely, 2126448816 is an apocalyptic number.

126448816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126448816 is an abundant number, since it is smaller than the sum of its proper divisors (146502464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126448816 is a wasteful number, since it uses less digits than its factorization.

126448816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21013 (or 21007 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 126448816 is about 11244.9462426461. The cubic root of 126448816 is about 501.9243390042.

The spelling of 126448816 in words is "one hundred twenty-six million, four hundred forty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 29 52 58 104 116 208 232 377 464 754 1508 3016 6032 20963 41926 83852 167704 272519 335408 545038 607927 1090076 1215854 2180152 2431708 4360304 4863416 7903051 9726832 15806102 31612204 63224408 126448816