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2320140240 = 243351197649
BaseRepresentation
bin1000101001001010…
…1000011111010000
312222200202100002000
42022102220133100
514222423441430
61022120354000
7111331603155
oct21222503720
95880670060
102320140240
11a90727780
12549015900
132ac8a7362
141801d222c
15d8a4de60
hex8a4a87d0

2320140240 has 160 divisors (see below), whose sum is σ = 8718192000. Its totient is φ = 562452480.

The previous prime is 2320140211. The next prime is 2320140247. The reversal of 2320140240 is 420410232.

2320140240 is a `hidden beast` number, since 23 + 201 + 402 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320140247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25065 + ... + 72584.

It is an arithmetic number, because the mean of its divisors is an integer number (54488700).

Almost surely, 22320140240 is an apocalyptic number.

2320140240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320140240 is an abundant number, since it is smaller than the sum of its proper divisors (6398051760).

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

2320140240 is a wasteful number, since it uses less digits than its factorization.

2320140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97682 (or 97670 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2320140240 is about 48167.8340804317. The cubic root of 2320140240 is about 1323.8478633039.

Adding to 2320140240 its reverse (420410232), we get a palindrome (2740550472).

The spelling of 2320140240 in words is "two billion, three hundred twenty million, one hundred forty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 88 90 99 108 110 120 132 135 144 165 176 180 198 216 220 240 264 270 297 330 360 396 432 440 495 528 540 594 660 720 792 880 990 1080 1188 1320 1485 1584 1980 2160 2376 2640 2970 3960 4752 5940 7920 11880 23760 97649 195298 292947 390596 488245 585894 781192 878841 976490 1074139 1171788 1464735 1562384 1757682 1952980 2148278 2343576 2636523 2929470 3222417 3515364 3905960 4296556 4394205 4687152 5273046 5370695 5858940 6444834 7030728 7811920 8593112 8788410 9667251 10546092 10741390 11717880 12889668 13182615 14061456 16112085 17186224 17576820 19334502 21092184 21482780 23435760 25779336 26365230 29001753 32224170 35153640 38669004 42184368 42965560 48336255 51558672 52730460 58003506 64448340 70307280 77338008 85931120 96672510 105460920 116007012 128896680 145008765 154676016 193345020 210921840 232014024 257793360 290017530 386690040 464028048 580035060 773380080 1160070120 2320140240