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2939340852 = 2233724312917
BaseRepresentation
bin1010111100110010…
…1100100000110100
321120211212222122000
42233030230200310
522004432401402
61203400135300
7132560661600
oct25714544064
97524788560
102939340852
1112791aa318
126a0467530
1337ac66556
141dc536500
151230b0c1c
hexaf32c834

2939340852 has 144 divisors (see below), whose sum is σ = 9071536320. Its totient is φ = 820217664.

The previous prime is 2939340847. The next prime is 2939340871. The reversal of 2939340852 is 2580439392.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2939340798 and 2939340807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221098 + ... + 234014.

It is an arithmetic number, because the mean of its divisors is an integer number (62996780).

Almost surely, 22939340852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2939340852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4535768160).

2939340852 is an abundant number, since it is smaller than the sum of its proper divisors (6132195468).

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

2939340852 is a wasteful number, since it uses less digits than its factorization.

2939340852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12987 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2939340852 is about 54215.6882461156. The cubic root of 2939340852 is about 1432.4626826166.

The spelling of 2939340852 in words is "two billion, nine hundred thirty-nine million, three hundred forty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 43 49 54 63 84 86 98 108 126 129 147 172 189 196 252 258 294 301 378 387 441 516 588 602 756 774 882 903 1161 1204 1323 1548 1764 1806 2107 2322 2646 2709 3612 4214 4644 5292 5418 6321 8127 8428 10836 12642 12917 16254 18963 25284 25834 32508 37926 38751 51668 56889 75852 77502 90419 113778 116253 155004 180838 227556 232506 271257 348759 361676 465012 542514 555431 632933 697518 813771 1085028 1110862 1265866 1395036 1627542 1666293 1898799 2221724 2441313 2531732 3255084 3332586 3797598 3888017 4882626 4998879 5696397 6665172 7595196 7776034 9765252 9997758 11392794 11664051 14996637 15552068 17089191 19995516 22785588 23328102 27216119 29993274 34178382 34992153 46656204 54432238 59986548 68356764 69984306 81648357 104976459 108864476 139968612 163296714 209952918 244945071 326593428 419905836 489890142 734835213 979780284 1469670426 2939340852