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3287270140 = 2257113536047
BaseRepresentation
bin1100001111101111…
…1100001011111100
322111002120121212221
43003323330023330
523213020121030
61302105335124
7144314222650
oct30373741374
98432517787
103287270140
11143763a790
12778a974a4
1340507607b
14232824a60
151438dae7a
hexc3efc2fc

3287270140 has 96 divisors (see below), whose sum is σ = 8632479744. Its totient is φ = 1021532160.

The previous prime is 3287270117. The next prime is 3287270153. The reversal of 3287270140 is 410727823.

It is a super-2 number, since 2×32872701402 = 21612289946671239200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3287270096 and 3287270105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540597 + ... + 546643.

It is an arithmetic number, because the mean of its divisors is an integer number (89921664).

Almost surely, 23287270140 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 3287270140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4316239872).

3287270140 is an abundant number, since it is smaller than the sum of its proper divisors (5345209604).

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

3287270140 is a wasteful number, since it uses less digits than its factorization.

3287270140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427 (or 6425 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 3287270140 is about 57334.7201964046. The cubic root of 3287270140 is about 1486.8887137307. Note that the first 3 decimals are identical.

Adding to 3287270140 its reverse (410727823), we get a palindrome (3697997963).

The spelling of 3287270140 in words is "three billion, two hundred eighty-seven million, two hundred seventy thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 353 385 706 770 1412 1540 1765 2471 3530 3883 4942 6047 7060 7766 9884 12094 12355 15532 19415 24188 24710 27181 30235 38830 42329 49420 54362 60470 66517 77660 84658 108724 120940 133034 135905 169316 211645 266068 271810 332585 423290 465619 543620 665170 846580 931238 1330340 1862476 2134591 2328095 4269182 4656190 8538364 9312380 10672955 14942137 21345910 23480501 29884274 42691820 46961002 59768548 74710685 93922004 117402505 149421370 164363507 234805010 298842740 328727014 469610020 657454028 821817535 1643635070 3287270140