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4145224520 = 2353130710889
BaseRepresentation
bin1111011100010011…
…0001101101001000
3101200212222020001002
43313010301231020
531442134141040
61523154314132
7204502553453
oct36704615510
911625866032
104145224520
111837964598
12978288948
13510a3aa98
142b475849a
15193daea15
hexf7131b48

4145224520 has 64 divisors (see below), whose sum is σ = 9659865600. Its totient is φ = 1599229440.

The previous prime is 4145224477. The next prime is 4145224579. The reversal of 4145224520 is 254225414.

4145224520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375236 + ... + 386124.

It is an arithmetic number, because the mean of its divisors is an integer number (150935400).

Almost surely, 24145224520 is an apocalyptic number.

4145224520 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 4145224520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4829932800).

4145224520 is an abundant number, since it is smaller than the sum of its proper divisors (5514641080).

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

4145224520 is a wasteful number, since it uses less digits than its factorization.

4145224520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11238 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4145224520 is about 64383.4180515449. The cubic root of 4145224520 is about 1606.3839371727.

Adding to 4145224520 its reverse (254225414), we get a palindrome (4399449934).

The spelling of 4145224520 in words is "four billion, one hundred forty-five million, two hundred twenty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 307 310 614 620 1228 1240 1535 2456 3070 6140 9517 10889 12280 19034 21778 38068 43556 47585 54445 76136 87112 95170 108890 190340 217780 337559 380680 435560 675118 1350236 1687795 2700472 3342923 3375590 6685846 6751180 13371692 13502360 16714615 26743384 33429230 66858460 103630613 133716920 207261226 414522452 518153065 829044904 1036306130 2072612260 4145224520