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2982003640 = 2357111950957
BaseRepresentation
bin1011000110111101…
…1100001110111000
321200211011110222021
42301233130032320
522101343104030
61211522404224
7133616420110
oct26157341670
97624143867
102982003640
1112a0299520
126b2800674
13386a530c5
14204080040
15126bdb97a
hexb1bdc3b8

2982003640 has 128 divisors (see below), whose sum is σ = 8805542400. Its totient is φ = 880519680.

The previous prime is 2982003637. The next prime is 2982003649. The reversal of 2982003640 is 463002892.

It is a junction number, because it is equal to n+sod(n) for n = 2982003596 and 2982003605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2982003649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33042 + ... + 83998.

It is an arithmetic number, because the mean of its divisors is an integer number (68793300).

Almost surely, 22982003640 is an apocalyptic number.

2982003640 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 2982003640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4402771200).

2982003640 is an abundant number, since it is smaller than the sum of its proper divisors (5823538760).

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

2982003640 is a wasteful number, since it uses less digits than its factorization.

2982003640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51005 (or 51001 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2982003640 is about 54607.7250945322. The cubic root of 2982003640 is about 1439.3598685158.

The spelling of 2982003640 in words is "two billion, nine hundred eighty-two million, three thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 11 14 19 20 22 28 35 38 40 44 55 56 70 76 77 88 95 110 133 140 152 154 190 209 220 266 280 308 380 385 418 440 532 616 665 760 770 836 1045 1064 1330 1463 1540 1672 2090 2660 2926 3080 4180 5320 5852 7315 8360 11704 14630 29260 50957 58520 101914 203828 254785 356699 407656 509570 560527 713398 968183 1019140 1121054 1426796 1783495 1936366 2038280 2242108 2802635 2853592 3566990 3872732 3923689 4484216 4840915 5605270 6777281 7133980 7745464 7847378 9681830 10650013 11210540 13554562 14267960 15694756 19363660 19618445 21300026 22421080 27109124 31389512 33886405 38727320 39236890 42600052 53250065 54218248 67772810 74550091 78473780 85200104 106500130 135545620 149100182 156947560 213000260 271091240 298200364 372750455 426000520 596400728 745500910 1491001820 2982003640