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487080 = 233351141
BaseRepresentation
bin1110110111010101000
3220202011000
41312322220
5111041310
614235000
74066026
oct1667250
9822130
10487080
11302a50
121b5a60
13140919
14c9716
15994c0
hex76ea8

487080 has 128 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 115200.

The previous prime is 487079. The next prime is 487093. The reversal of 487080 is 80784.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 11860 + ... + 11900.

It is an arithmetic number, because the mean of its divisors is an integer number (14175).

2487080 is an apocalyptic number.

487080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

487080 is an abundant number, since it is smaller than the sum of its proper divisors (1327320).

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

487080 is a wasteful number, since it uses less digits than its factorization.

487080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 487080 is about 697.9111691326. The cubic root of 487080 is about 78.6804374373.

It can be divided in two parts, 4870 and 80, that added together give a triangular number (4950 = T99).

The spelling of 487080 in words is "four hundred eighty-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 41 44 45 54 55 60 66 72 82 88 90 99 108 110 120 123 132 135 164 165 180 198 205 216 220 246 264 270 297 328 330 360 369 396 410 440 451 492 495 540 594 615 660 738 792 820 902 984 990 1080 1107 1188 1230 1320 1353 1476 1485 1640 1804 1845 1980 2214 2255 2376 2460 2706 2952 2970 3608 3690 3960 4059 4428 4510 4920 5412 5535 5940 6765 7380 8118 8856 9020 10824 11070 11880 12177 13530 14760 16236 18040 20295 22140 24354 27060 32472 40590 44280 48708 54120 60885 81180 97416 121770 162360 243540 487080