Search a number
-
+
2560823328 = 253710934961
BaseRepresentation
bin1001100010100011…
…0001000000100000
320121110122022012110
42120220301000200
520221032321303
61102035155320
7120313432140
oct23050610040
96543568173
102560823328
1110a4577518
125b5745b40
1331a70709b
141a4164920
15eec42703
hex98a31020

2560823328 has 96 divisors (see below), whose sum is σ = 7753173120. Its totient is φ = 724930560.

The previous prime is 2560823327. The next prime is 2560823329. The reversal of 2560823328 is 8233280652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2560823327) and next prime (2560823329).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×25608233282 = 13115632234457991168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2560823327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55768 + ... + 90728.

It is an arithmetic number, because the mean of its divisors is an integer number (80762220).

Almost surely, 22560823328 is an apocalyptic number.

2560823328 is a gapful number since it is divisible by the number (28) 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 2560823328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3876586560).

2560823328 is an abundant number, since it is smaller than the sum of its proper divisors (5192349792).

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

2560823328 is a wasteful number, since it uses less digits than its factorization.

2560823328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35090 (or 35082 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2560823328 is about 50604.5781328132. The cubic root of 2560823328 is about 1368.1273948594.

The spelling of 2560823328 in words is "two billion, five hundred sixty million, eight hundred twenty-three thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 109 112 168 218 224 327 336 436 654 672 763 872 1308 1526 1744 2289 2616 3052 3488 4578 5232 6104 9156 10464 12208 18312 24416 34961 36624 69922 73248 104883 139844 209766 244727 279688 419532 489454 559376 734181 839064 978908 1118752 1468362 1678128 1957816 2936724 3356256 3810749 3915632 5873448 7621498 7831264 11432247 11746896 15242996 22864494 23493792 26675243 30485992 45728988 53350486 60971984 80025729 91457976 106700972 121943968 160051458 182915952 213401944 320102916 365831904 426803888 640205832 853607776 1280411664 2560823328