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6838909424 = 242371925847
BaseRepresentation
bin1100101111010000…
…10111100111110000
3122122121121121001122
412113220113213300
5103001230100144
63050341321412
7331321525304
oct62750274760
918577547048
106838909424
11299a427966
1213aa406268
1384cb22c89
1448c3c5d04
152a05e87ee
hex197a179f0

6838909424 has 40 divisors (see below), whose sum is σ = 13846256640. Its totient is φ = 3266107328.

The previous prime is 6838909397. The next prime is 6838909453. The reversal of 6838909424 is 4249098386.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251669 + ... + 277515.

It is an arithmetic number, because the mean of its divisors is an integer number (346156416).

Almost surely, 26838909424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6838909424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6923128320).

6838909424 is an abundant number, since it is smaller than the sum of its proper divisors (7007347216).

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

6838909424 is a wasteful number, since it uses less digits than its factorization.

6838909424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26597 (or 26591 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 6838909424 is about 82697.6990248217. The cubic root of 6838909424 is about 1898.1431003109.

The spelling of 6838909424 in words is "six billion, eight hundred thirty-eight million, nine hundred nine thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 23 46 92 184 368 719 1438 2876 5752 11504 16537 25847 33074 51694 66148 103388 132296 206776 264592 413552 594481 1188962 2377924 4755848 9511696 18583993 37167986 74335972 148671944 297343888 427431839 854863678 1709727356 3419454712 6838909424