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6390522008 = 231361447327
BaseRepresentation
bin1011111001110011…
…11010000010011000
3121111100220011011022
411330321322002120
5101041433201013
62534043022012
7314235353333
oct57471720230
917440804138
106390522008
11278a312852
1212a420a908
137aac6c290
14448a2761a
15276078008
hex17ce7a098

6390522008 has 16 divisors (see below), whose sum is σ = 12903938880. Its totient is φ = 2949471648.

The previous prime is 6390521993. The next prime is 6390522043. The reversal of 6390522008 is 8002250936.

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 3 ways as a sum of consecutive naturals, for example, 30723560 + ... + 30723767.

It is an arithmetic number, because the mean of its divisors is an integer number (806496180).

Almost surely, 26390522008 is an apocalyptic number.

It is an amenable number.

6390522008 is an abundant number, since it is smaller than the sum of its proper divisors (6513416872).

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

6390522008 is a wasteful number, since it uses less digits than its factorization.

6390522008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61447346 (or 61447342 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6390522008 is about 79940.7406020234. The cubic root of 6390522008 is about 1855.7185610153.

The spelling of 6390522008 in words is "six billion, three hundred ninety million, five hundred twenty-two thousand, eight".

Divisors: 1 2 4 8 13 26 52 104 61447327 122894654 245789308 491578616 798815251 1597630502 3195261004 6390522008