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2430311340 = 2235312113373
BaseRepresentation
bin1001000011011011…
…1001101110101100
320021101001121102010
42100312321232230
514434124430330
61041054001220
7114140206542
oct22066715654
96241047363
102430311340
111037935976
12579aa6210
132c966c562
14190aadd92
15e35623b0
hex90db9bac

2430311340 has 144 divisors (see below), whose sum is σ = 7112708064. Its totient is φ = 619960320.

The previous prime is 2430311333. The next prime is 2430311357. The reversal of 2430311340 is 431130342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6515394 + ... + 6515766.

It is an arithmetic number, because the mean of its divisors is an integer number (49393806).

Almost surely, 22430311340 is an apocalyptic number.

2430311340 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 2430311340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556354032).

2430311340 is an abundant number, since it is smaller than the sum of its proper divisors (4682396724).

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

2430311340 is a wasteful number, since it uses less digits than its factorization.

2430311340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2430311340 is about 49298.1879991547. The cubic root of 2430311340 is about 1344.4788388219.

Adding to 2430311340 its reverse (431130342), we get a palindrome (2861441682).

The spelling of 2430311340 in words is "two billion, four hundred thirty million, three hundred eleven thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 113 124 155 186 226 310 339 372 373 452 465 565 620 678 746 930 961 1119 1130 1356 1492 1695 1860 1865 1922 2238 2260 2883 3390 3503 3730 3844 4476 4805 5595 5766 6780 7006 7460 9610 10509 11190 11532 11563 14012 14415 17515 19220 21018 22380 23126 28830 34689 35030 42036 42149 46252 52545 57660 57815 69378 70060 84298 105090 108593 115630 126447 138756 168596 173445 210180 210745 217186 231260 252894 325779 346890 358453 421490 434372 505788 542965 632235 651558 693780 716906 842980 1075359 1085930 1264470 1303116 1306619 1433812 1628895 1792265 2150718 2171860 2528940 2613238 3257790 3584530 3919857 4301436 5226476 5376795 6515580 6533095 7169060 7839714 10753590 13066190 15679428 19599285 21507180 26132380 39198570 40505189 78397140 81010378 121515567 162020756 202525945 243031134 405051890 486062268 607577835 810103780 1215155670 2430311340