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80798850 = 23352115441
BaseRepresentation
bin1001101000011…
…10010010000010
312122001000012000
410310032102002
5131141030400
612003444430
72000531106
oct464162202
9178030160
1080798850
1141677410
1223086716
131397cb92
14aa33906
157160600
hex4d0e482

80798850 has 96 divisors (see below), whose sum is σ = 242930880. Its totient is φ = 19584000.

The previous prime is 80798827. The next prime is 80798857. The reversal of 80798850 is 5889708.

It is a super-2 number, since 2×807988502 = 13056908322645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 80798796 and 80798805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80798857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12130 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (2530530).

Almost surely, 280798850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80798850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121465440).

80798850 is an abundant number, since it is smaller than the sum of its proper divisors (162132030).

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

80798850 is a wasteful number, since it uses less digits than its factorization.

80798850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 80798850 is about 8988.8180535597. The cubic root of 80798850 is about 432.3164155635.

The spelling of 80798850 in words is "eighty million, seven hundred ninety-eight thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 45 50 54 55 66 75 90 99 110 135 150 165 198 225 270 275 297 330 450 495 550 594 675 825 990 1350 1485 1650 2475 2970 4950 5441 7425 10882 14850 16323 27205 32646 48969 54410 59851 81615 97938 119702 136025 146907 163230 179553 244845 272050 293814 299255 359106 408075 489690 538659 598510 734535 816150 897765 1077318 1224225 1469070 1496275 1615977 1795530 2448450 2693295 2992550 3231954 3672675 4488825 5386590 7345350 8079885 8977650 13466475 16159770 26932950 40399425 80798850