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2143828448 = 2566994639
BaseRepresentation
bin111111111001000…
…0011100111100000
312112101222202202122
41333302003213200
513342310002243
6552421403412
7104061145466
oct17762034740
95471882678
102143828448
11a00154053
124b9b69568
132821c5158
14164a18836
15c8323668
hex7fc839e0

2143828448 has 12 divisors (see below), whose sum is σ = 4220662320. Its totient is φ = 1071914208.

The previous prime is 2143828439. The next prime is 2143828483. The reversal of 2143828448 is 8448283412.

It is a junction number, because it is equal to n+sod(n) for n = 2143828399 and 2143828408.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 33497288 + ... + 33497351.

It is an arithmetic number, because the mean of its divisors is an integer number (351721860).

Almost surely, 22143828448 is an apocalyptic number.

It is an amenable number.

2143828448 is a deficient number, since it is larger than the sum of its proper divisors (2076833872).

2143828448 is an equidigital number, since it uses as much as digits as its factorization.

2143828448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66994649 (or 66994641 counting only the distinct ones).

The product of its digits is 393216, while the sum is 44.

The square root of 2143828448 is about 46301.4950946511. The cubic root of 2143828448 is about 1289.4267524903.

The spelling of 2143828448 in words is "two billion, one hundred forty-three million, eight hundred twenty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 66994639 133989278 267978556 535957112 1071914224 2143828448