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80969160 = 23352953439
BaseRepresentation
bin1001101001101…
…11110111001000
312122100122210210
410310313313020
5131212003120
612011241120
72002140456
oct464676710
9178318723
1080969160
1141783368
12231491a0
1313a0c55c
14aa799d6
157195ce0
hex4d37dc8

80969160 has 128 divisors (see below), whose sum is σ = 256608000. Its totient is φ = 20407296.

The previous prime is 80969159. The next prime is 80969173. The reversal of 80969160 is 6196908.

It is a super-2 number, since 2×809691602 = 13112009742211200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184221 + ... + 184659.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 280969160 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 80969160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128304000).

80969160 is an abundant number, since it is smaller than the sum of its proper divisors (175638840).

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

80969160 is a wasteful number, since it uses less digits than its factorization.

80969160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 80969160 is about 8998.2865035517. The cubic root of 80969160 is about 432.6199518047.

The spelling of 80969160 in words is "eighty million, nine hundred sixty-nine thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 53 58 60 87 106 116 120 145 159 174 212 232 265 290 318 348 424 435 439 530 580 636 696 795 870 878 1060 1160 1272 1317 1537 1590 1740 1756 2120 2195 2634 3074 3180 3480 3512 4390 4611 5268 6148 6360 6585 7685 8780 9222 10536 12296 12731 13170 15370 17560 18444 23055 23267 25462 26340 30740 36888 38193 46110 46534 50924 52680 61480 63655 69801 76386 92220 93068 101848 116335 127310 139602 152772 184440 186136 190965 232670 254620 279204 305544 349005 381930 465340 509240 558408 674743 698010 763860 930680 1349486 1396020 1527720 2024229 2698972 2792040 3373715 4048458 5397944 6747430 8096916 10121145 13494860 16193832 20242290 26989720 40484580 80969160