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2764080 = 2432511349
BaseRepresentation
bin1010100010110100110000
312012102121100
422202310300
51201422310
6135124400
732331354
oct12426460
95172540
102764080
111618770
12b13700
1375a167
1451d464
15398ec0
hex2a2d30

2764080 has 120 divisors (see below), whose sum is σ = 10155600. Its totient is φ = 668160.

The previous prime is 2764057. The next prime is 2764087. The reversal of 2764080 is 804672.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2764087) 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, 7746 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (84630).

22764080 is an apocalyptic number.

2764080 is a gapful number since it is divisible by the number (20) 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 2764080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5077800).

2764080 is an abundant number, since it is smaller than the sum of its proper divisors (7391520).

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

2764080 is a wasteful number, since it uses less digits than its factorization.

2764080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2764080 is about 1662.5522548179. The cubic root of 2764080 is about 140.3406669692.

It can be divided in two parts, 276 and 4080, that added together give a square (4356 = 662).

The spelling of 2764080 in words is "two million, seven hundred sixty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 330 349 360 396 440 495 528 660 698 720 792 880 990 1047 1320 1396 1584 1745 1980 2094 2640 2792 3141 3490 3839 3960 4188 5235 5584 6282 6980 7678 7920 8376 10470 11517 12564 13960 15356 15705 16752 19195 20940 23034 25128 27920 30712 31410 34551 38390 41880 46068 50256 57585 61424 62820 69102 76780 83760 92136 115170 125640 138204 153560 172755 184272 230340 251280 276408 307120 345510 460680 552816 691020 921360 1382040 2764080