Search a number
-
+
2826931968 = 2833758427
BaseRepresentation
bin1010100001111111…
…1000111100000000
321022000101000122000
42220133320330000
521242143310333
61144302544000
7130024345110
oct25037707400
97260330560
102826931968
111220802913
1266a898000
13360899913
141cb635040
151182a9713
hexa87f8f00

2826931968 has 144 divisors (see below), whose sum is σ = 9554146560. Its totient is φ = 807681024.

The previous prime is 2826931963. The next prime is 2826931969. The reversal of 2826931968 is 8691396282.

2826931968 is a `hidden beast` number, since 2 + 8 + 269 + 319 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2826931963) 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, 19171 + ... + 77597.

It is an arithmetic number, because the mean of its divisors is an integer number (66348240).

Almost surely, 22826931968 is an apocalyptic number.

2826931968 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 2826931968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4777073280).

2826931968 is an abundant number, since it is smaller than the sum of its proper divisors (6727214592).

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

2826931968 is an equidigital number, since it uses as much as digits as its factorization.

2826931968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58459 (or 58439 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 2826931968 is about 53168.9003835889. The cubic root of 2826931968 is about 1413.9643256599.

The spelling of 2826931968 in words is "two billion, eight hundred twenty-six million, nine hundred thirty-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 192 216 224 252 256 288 336 378 384 432 448 504 576 672 756 768 864 896 1008 1152 1344 1512 1728 1792 2016 2304 2688 3024 3456 4032 5376 6048 6912 8064 12096 16128 24192 48384 58427 116854 175281 233708 350562 408989 467416 525843 701124 817978 934832 1051686 1226967 1402248 1577529 1635956 1869664 2103372 2453934 2804496 3155058 3271912 3680901 3739328 4206744 4907868 5608992 6310116 6543824 7361802 7478656 8413488 9815736 11042703 11217984 12620232 13087648 14723604 14957312 16826976 19631472 22085406 22435968 25240464 26175296 29447208 33653952 39262944 44170812 44871936 50480928 52350592 58894416 67307904 78525888 88341624 100961856 104701184 117788832 134615808 157051776 176683248 201923712 235577664 314103552 353366496 403847424 471155328 706732992 942310656 1413465984 2826931968