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284823612420 = 2235434712971811
BaseRepresentation
bin1000010010100001100…
…11110110110000000100
31000020011211212122210020
410021100303312300010
514131304321044140
6334502434255140
726402123521404
oct4112063666004
91006154778706
10284823612420
11aa87a55a726
124724aa274b0
1320b218a5009
14dadd724804
1576201566d0
hex4250cf6c04

284823612420 has 192 divisors, whose sum is σ = 834518716416. Its totient is φ = 72512133120.

The previous prime is 284823612413. The next prime is 284823612421. The reversal of 284823612420 is 24216328482.

It is a super-2 number, since 2×2848236124202 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (284823612421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 157273315 + ... + 157275125.

It is an arithmetic number, because the mean of its divisors is an integer number (4346451648).

Almost surely, 2284823612420 is an apocalyptic number.

284823612420 is a gapful number since it is divisible by the number (20) 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 284823612420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417259358208).

284823612420 is an abundant number, since it is smaller than the sum of its proper divisors (549695103996).

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

284823612420 is a wasteful number, since it uses less digits than its factorization.

284823612420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 284823612420 in words is "two hundred eighty-four billion, eight hundred twenty-three million, six hundred twelve thousand, four hundred twenty".