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2838406648 = 237114607803
BaseRepresentation
bin1010100100101110…
…1010010111111000
321022210221222221011
42221023222113320
521303113003043
61145352523304
7130224026020
oct25113522770
97283858834
102838406648
11122722aa20
126726b0534
1336308677c
141ccd80a80
151192c459d
hexa92ea5f8

2838406648 has 32 divisors (see below), whose sum is σ = 6635237760. Its totient is φ = 1105872480.

The previous prime is 2838406591. The next prime is 2838406691. The reversal of 2838406648 is 8466048382.

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 in 7 ways as a sum of consecutive naturals, for example, 2303286 + ... + 2304517.

It is an arithmetic number, because the mean of its divisors is an integer number (207351180).

Almost surely, 22838406648 is an apocalyptic number.

2838406648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2838406648 is an abundant number, since it is smaller than the sum of its proper divisors (3796831112).

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

2838406648 is a wasteful number, since it uses less digits than its factorization.

2838406648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607827 (or 4607823 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 49.

The square root of 2838406648 is about 53276.6989217613. The cubic root of 2838406648 is about 1415.8748639244.

The spelling of 2838406648 in words is "two billion, eight hundred thirty-eight million, four hundred six thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 4607803 9215606 18431212 32254621 36862424 50685833 64509242 101371666 129018484 202743332 258036968 354800831 405486664 709601662 1419203324 2838406648