[go: up one dir, main page]

Search a number
-
+
48282640 = 24572109113
BaseRepresentation
bin1011100000101…
…1110000010000
310100212000022221
42320023300100
544330021030
64442510424
71124252500
oct270136020
9110760287
1048282640
112528850a
1214205414
13a006813
1465aba00
15438ae7a
hex2e0bc10

48282640 has 120 divisors (see below), whose sum is σ = 132949080. Its totient is φ = 16257024.

The previous prime is 48282631. The next prime is 48282643. The reversal of 48282640 is 4628284.

It can be written as a sum of positive squares in 4 ways, for example, as 451584 + 47831056 = 672^2 + 6916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48282596 and 48282605.

It is not an unprimeable number, because it can be changed into a prime (48282643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427224 + ... + 427336.

It is an arithmetic number, because the mean of its divisors is an integer number (1107909).

Almost surely, 248282640 is an apocalyptic number.

48282640 is a gapful number since it is divisible by the number (40) 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 48282640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66474540).

48282640 is an abundant number, since it is smaller than the sum of its proper divisors (84666440).

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

48282640 is a wasteful number, since it uses less digits than its factorization.

48282640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 48282640 is about 6948.5710761278. The cubic root of 48282640 is about 364.1360438223.

The spelling of 48282640 in words is "forty-eight million, two hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 109 112 113 140 196 218 226 245 280 392 436 452 490 545 560 565 763 784 791 872 904 980 1090 1130 1526 1582 1744 1808 1960 2180 2260 3052 3164 3815 3920 3955 4360 4520 5341 5537 6104 6328 7630 7910 8720 9040 10682 11074 12208 12317 12656 15260 15820 21364 22148 24634 26705 27685 30520 31640 42728 44296 49268 53410 55370 61040 61585 63280 85456 86219 88592 98536 106820 110740 123170 172438 197072 213640 221480 246340 344876 427280 431095 442960 492680 603533 689752 862190 985360 1207066 1379504 1724380 2414132 3017665 3448760 4828264 6035330 6897520 9656528 12070660 24141320 48282640