[go: up one dir, main page]

Search a number
-
+
48622720 = 2751741109
BaseRepresentation
bin1011100101111…
…0110010000000
310101111021211111
42321132302000
544421411340
64454053104
71130200126
oct271366200
9111437744
1048622720
112549aa73
121434a194
13a0c5553
146659916
154406aea
hex2e5ec80

48622720 has 128 divisors (see below), whose sum is σ = 127234800. Its totient is φ = 17694720.

The previous prime is 48622709. The next prime is 48622727. The reversal of 48622720 is 2722684.

It can be written as a sum of positive squares in 8 ways, for example, as 19289664 + 29333056 = 4392^2 + 5416^2 .

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (48622727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446026 + ... + 446134.

Almost surely, 248622720 is an apocalyptic number.

48622720 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 48622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63617400).

48622720 is an abundant number, since it is smaller than the sum of its proper divisors (78612080).

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

48622720 is a wasteful number, since it uses less digits than its factorization.

48622720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 48622720 is about 6972.9993546536. Note that the first 3 decimals coincide. The cubic root of 48622720 is about 364.9889782122.

The spelling of 48622720 in words is "forty-eight million, six hundred twenty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 41 64 68 80 82 85 109 128 136 160 164 170 205 218 272 320 328 340 410 436 544 545 640 656 680 697 820 872 1088 1090 1312 1360 1394 1640 1744 1853 2176 2180 2624 2720 2788 3280 3485 3488 3706 4360 4469 5248 5440 5576 6560 6970 6976 7412 8720 8938 9265 10880 11152 13120 13940 13952 14824 17440 17876 18530 22304 22345 26240 27880 29648 34880 35752 37060 44608 44690 55760 59296 69760 71504 74120 75973 89216 89380 111520 118592 143008 148240 151946 178760 223040 237184 286016 296480 303892 357520 379865 446080 572032 592960 607784 715040 759730 1185920 1215568 1430080 1519460 2431136 2860160 3038920 4862272 6077840 9724544 12155680 24311360 48622720