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6780480 = 263571009
BaseRepresentation
bin11001110111011001000000
3110202111001220
4121313121000
53213433410
6401155040
7111430110
oct31673100
913674056
106780480
113911303
12232ba80
131535325
14c87040
158de070
hex677640

6780480 has 112 divisors (see below), whose sum is σ = 24627840. Its totient is φ = 1548288.

The previous prime is 6780479. The next prime is 6780481. The reversal of 6780480 is 840876.

6780480 = T29 + T30 + ... + T343.

It is an interprime number because it is at equal distance from previous prime (6780479) and next prime (6780481).

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (6780481) by changing a digit.

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, 6216 + ... + 7224.

Almost surely, 26780480 is an apocalyptic number.

6780480 is a gapful number since it is divisible by the number (60) 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 6780480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12313920).

6780480 is an abundant number, since it is smaller than the sum of its proper divisors (17847360).

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

6780480 is a wasteful number, since it uses less digits than its factorization.

6780480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 6780480 is about 2603.9354830717. The cubic root of 6780480 is about 189.2721925617.

It can be divided in two parts, 6780 and 480, that added together give a triangular number (7260 = T120).

The spelling of 6780480 in words is "six million, seven hundred eighty thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1009 1120 1344 1680 2018 2240 3027 3360 4036 5045 6054 6720 7063 8072 10090 12108 14126 15135 16144 20180 21189 24216 28252 30270 32288 35315 40360 42378 48432 56504 60540 64576 70630 80720 84756 96864 105945 113008 121080 141260 161440 169512 193728 211890 226016 242160 282520 322880 339024 423780 452032 484320 565040 678048 847560 968640 1130080 1356096 1695120 2260160 3390240 6780480