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5520845280 = 253511501761
BaseRepresentation
bin1010010010001000…
…10110100111100000
3112020202102222222010
411021010112213200
542301314022110
62311454512520
7253545260556
oct51104264740
915222388863
105520845280
112383411855
1210a0b05740
1369ca31a72
143a5321bd6
15224a3b020
hex1491169e0

5520845280 has 48 divisors (see below), whose sum is σ = 17390664144. Its totient is φ = 1472225280.

The previous prime is 5520845249. The next prime is 5520845287. The reversal of 5520845280 is 825480255.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520845287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5750401 + ... + 5751360.

It is an arithmetic number, because the mean of its divisors is an integer number (362305503).

Almost surely, 25520845280 is an apocalyptic number.

It is an amenable number.

5520845280 is an abundant number, since it is smaller than the sum of its proper divisors (11869818864).

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

5520845280 is a wasteful number, since it uses less digits than its factorization.

5520845280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501779 (or 11501771 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 5520845280 is about 74302.3908094484. The cubic root of 5520845280 is about 1767.4013895865.

The spelling of 5520845280 in words is "five billion, five hundred twenty million, eight hundred forty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 11501761 23003522 34505283 46007044 57508805 69010566 92014088 115017610 138021132 172526415 184028176 230035220 276042264 345052830 368056352 460070440 552084528 690105660 920140880 1104169056 1380211320 1840281760 2760422640 5520845280