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80885400 = 233521131193
BaseRepresentation
bin1001101001000…
…11011010011000
312122012101220120
410310203122120
5131201313100
612005353240
72001341331
oct464433230
9178171816
1080885400
1141726442
1223108820
13139b03ab
14aa57288
15717b0a0
hex4d23698

80885400 has 96 divisors (see below), whose sum is σ = 253175760. Its totient is φ = 21360640.

The previous prime is 80885383. The next prime is 80885407. The reversal of 80885400 is 458808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80885407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67204 + ... + 68396.

Almost surely, 280885400 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 80885400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126587880).

80885400 is an abundant number, since it is smaller than the sum of its proper divisors (172290360).

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

80885400 is a wasteful number, since it uses less digits than its factorization.

80885400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 80885400 is about 8993.6310798253. The cubic root of 80885400 is about 432.4707231789.

The spelling of 80885400 in words is "eighty million, eight hundred eighty-five thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 113 120 150 200 226 300 339 452 565 600 678 904 1130 1193 1356 1695 2260 2386 2712 2825 3390 3579 4520 4772 5650 5965 6780 7158 8475 9544 11300 11930 13560 14316 16950 17895 22600 23860 28632 29825 33900 35790 47720 59650 67800 71580 89475 119300 134809 143160 178950 238600 269618 357900 404427 539236 674045 715800 808854 1078472 1348090 1617708 2022135 2696180 3235416 3370225 4044270 5392360 6740450 8088540 10110675 13480900 16177080 20221350 26961800 40442700 80885400