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80703744 = 2831141233
BaseRepresentation
bin1001100111101…
…11000100000000
312121212011201120
410303313010000
5131130004434
612001432240
71666653612
oct463670400
9177764646
1080703744
1141611a10
122303b680
13139487c4
14aa0adb2
157142349
hex4cf7100

80703744 has 144 divisors (see below), whose sum is σ = 241061184. Its totient is φ = 23756800.

The previous prime is 80703739. The next prime is 80703751. The reversal of 80703744 is 44730708.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 346252 + ... + 346484.

It is an arithmetic number, because the mean of its divisors is an integer number (1674036).

Almost surely, 280703744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80703744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120530592).

80703744 is an abundant number, since it is smaller than the sum of its proper divisors (160357440).

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

80703744 is a wasteful number, since it uses less digits than its factorization.

80703744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 80703744 is about 8983.5262564318. The cubic root of 80703744 is about 432.1467265655.

The spelling of 80703744 in words is "eighty million, seven hundred three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 41 44 48 64 66 82 88 96 123 128 132 164 176 192 233 246 256 264 328 352 384 451 466 492 528 656 699 704 768 902 932 984 1056 1312 1353 1398 1408 1804 1864 1968 2112 2563 2624 2706 2796 2816 3608 3728 3936 4224 5126 5248 5412 5592 7216 7456 7689 7872 8448 9553 10252 10496 10824 11184 14432 14912 15378 15744 19106 20504 21648 22368 28659 28864 29824 30756 31488 38212 41008 43296 44736 57318 57728 59648 61512 76424 82016 86592 89472 105083 114636 115456 123024 152848 164032 173184 178944 210166 229272 246048 305696 315249 328064 346368 420332 458544 492096 611392 630498 656128 840664 917088 984192 1222784 1260996 1681328 1834176 1968384 2445568 2521992 3362656 3668352 5043984 6725312 7336704 10087968 13450624 20175936 26901248 40351872 80703744