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2828640384 = 273231103769
BaseRepresentation
bin1010100010011001…
…1010000010000000
321022010120211010200
42220212122002000
521243112443014
61144403325200
7130045021653
oct25046320200
97263524120
102828640384
11122176a429
1266b380800
1336104740b
141cb95b89a
151184e5a09
hexa899a080

2828640384 has 192 divisors, whose sum is σ = 8494886400. Its totient is φ = 902430720.

The previous prime is 2828640359. The next prime is 2828640407. The reversal of 2828640384 is 4830468282.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3677952 + ... + 3678720.

It is an arithmetic number, because the mean of its divisors is an integer number (44244200).

Almost surely, 22828640384 is an apocalyptic number.

2828640384 is a gapful number since it is divisible by the number (24) 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 2828640384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4247443200).

2828640384 is an abundant number, since it is smaller than the sum of its proper divisors (5666246016).

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

2828640384 is a wasteful number, since it uses less digits than its factorization.

2828640384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 2828640384 is about 53184.9638901823. The cubic root of 2828640384 is about 1414.2491046888.

The spelling of 2828640384 in words is "two billion, eight hundred twenty-eight million, six hundred forty thousand, three hundred eighty-four".