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8280945480 = 23351741181547
BaseRepresentation
bin1111011011001010…
…10011001101001000
3210101010001121122110
413231211103031020
5113424410223410
63445413222320
7412131606123
oct75545231510
923333047573
108280945480
11356a4179a5
1217313319a0
13a1c7cbc52
14587b1b3ba
15336ee3720
hex1ed953348

8280945480 has 256 divisors, whose sum is σ = 27144149760. Its totient is φ = 2012774400.

The previous prime is 8280945473. The next prime is 8280945481. The reversal of 8280945480 is 845490828.

It is not an unprimeable number, because it can be changed into a prime (8280945481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15138567 + ... + 15139113.

It is an arithmetic number, because the mean of its divisors is an integer number (106031835).

Almost surely, 28280945480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8280945480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13572074880).

8280945480 is an abundant number, since it is smaller than the sum of its proper divisors (18863204280).

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

8280945480 is a wasteful number, since it uses less digits than its factorization.

8280945480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 8280945480 is about 90999.7004390674. The cubic root of 8280945480 is about 2023.1432845394.

The spelling of 8280945480 in words is "eight billion, two hundred eighty million, nine hundred forty-five thousand, four hundred eighty".