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8223250560 = 27357287407
BaseRepresentation
bin1111010100010010…
…01101100010000000
3210020002111102002120
413222021031202000
5113320123004220
63435552444240
7410531322300
oct75211154200
923202442076
108223250560
11353a8a0948
121715b49680
13a1087b245
145801bd600
15331de8a40
hex1ea24d880

8223250560 has 192 divisors, whose sum is σ = 30491406720. Its totient is φ = 1879578624.

The previous prime is 8223250547. The next prime is 8223250571. The reversal of 8223250560 is 650523228.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50377 + ... + 137783.

It is an arithmetic number, because the mean of its divisors is an integer number (158809410).

Almost surely, 28223250560 is an apocalyptic number.

8223250560 is a gapful number since it is divisible by the number (80) 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 8223250560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15245703360).

8223250560 is an abundant number, since it is smaller than the sum of its proper divisors (22268156160).

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

8223250560 is a wasteful number, since it uses less digits than its factorization.

8223250560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87443 (or 87424 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 8223250560 is about 90682.1402482319. The cubic root of 8223250560 is about 2018.4337890534.

Adding to 8223250560 its reverse (650523228), we get a palindrome (8873773788).

The spelling of 8223250560 in words is "eight billion, two hundred twenty-three million, two hundred fifty thousand, five hundred sixty".