Search a number
-
+
8220243282 = 231499194903
BaseRepresentation
bin1111010011111011…
…01111010101010010
3210012212211121212220
413221331233111102
5113313340241112
63435404201510
7410463625566
oct75175572522
923185747786
108220243282
113539127499
121714b39296
13a100674a4
1457da396a6
15331a0298c
hex1e9f6f552

8220243282 has 16 divisors (see below), whose sum is σ = 16550827200. Its totient is φ = 2721690992.

The previous prime is 8220243281. The next prime is 8220243287. The reversal of 8220243282 is 2823420228.

It is a super-2 number, since 2×82202432822 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8220243281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4596558 + ... + 4598345.

It is an arithmetic number, because the mean of its divisors is an integer number (1034426700).

Almost surely, 28220243282 is an apocalyptic number.

8220243282 is an abundant number, since it is smaller than the sum of its proper divisors (8330583918).

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

8220243282 is a wasteful number, since it uses less digits than its factorization.

8220243282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195057.

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 8220243282 is about 90665.5573081642. The cubic root of 8220243282 is about 2018.1877090888.

The spelling of 8220243282 in words is "eight billion, two hundred twenty million, two hundred forty-three thousand, two hundred eighty-two".

Divisors: 1 2 3 6 149 298 447 894 9194903 18389806 27584709 55169418 1370040547 2740081094 4110121641 8220243282