Search a number
-
+
3872272560 = 2435132942797
BaseRepresentation
bin1110011011001110…
…0011000010110000
3100222212100211100020
43212303203002300
530412300210220
61440124123440
7164646526242
oct34663430260
910885324306
103872272560
111707884762
12900996580
13499320450
1428a3c6092
15179e45040
hexe6ce30b0

3872272560 has 160 divisors (see below), whose sum is σ = 13373519040. Its totient is φ = 920285184.

The previous prime is 3872272559. The next prime is 3872272577. The reversal of 3872272560 is 652722783.

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, 69082 + ... + 111878.

It is an arithmetic number, because the mean of its divisors is an integer number (83584494).

Almost surely, 23872272560 is an apocalyptic number.

3872272560 is a gapful number since it is divisible by the number (30) 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 3872272560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6686759520).

3872272560 is an abundant number, since it is smaller than the sum of its proper divisors (9501246480).

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

3872272560 is a wasteful number, since it uses less digits than its factorization.

3872272560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42855 (or 42849 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 3872272560 is about 62227.5868084244. The cubic root of 3872272560 is about 1570.3217267021.

The spelling of 3872272560 in words is "three billion, eight hundred seventy-two million, two hundred seventy-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 39 40 48 52 58 60 65 78 80 87 104 116 120 130 145 156 174 195 208 232 240 260 290 312 348 377 390 435 464 520 580 624 696 754 780 870 1040 1131 1160 1392 1508 1560 1740 1885 2262 2320 3016 3120 3480 3770 4524 5655 6032 6960 7540 9048 11310 15080 18096 22620 30160 42797 45240 85594 90480 128391 171188 213985 256782 342376 427970 513564 556361 641955 684752 855940 1027128 1112722 1241113 1283910 1669083 1711880 2054256 2225444 2482226 2567820 2781805 3338166 3423760 3723339 4450888 4964452 5135640 5563610 6205565 6676332 7446678 8345415 8901776 9928904 10271280 11127220 12411130 13352664 14893356 16134469 16690830 18616695 19857808 22254440 24822260 26705328 29786712 32268938 33381660 37233390 44508880 48403407 49644520 59573424 64537876 66763320 74466780 80672345 96806814 99289040 129075752 133526640 148933560 161344690 193613628 242017035 258151504 297867120 322689380 387227256 484034070 645378760 774454512 968068140 1290757520 1936136280 3872272560