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134197808 = 2440920507
BaseRepresentation
bin1111111111110…
…11001000110000
3100100111221210012
413333323020300
5233323312213
621152154052
73216443153
oct777731060
9310457705
10134197808
1169829888
1238b38928
1321a583b4
1413b73c9a
15bbac4a8
hex7ffb230

134197808 has 20 divisors (see below), whose sum is σ = 260656680. Its totient is φ = 66931584.

The previous prime is 134197807. The next prime is 134197823. The reversal of 134197808 is 808791431.

It is not an unprimeable number, because it can be changed into a prime (134197807) by changing a digit.

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, 3710 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (13032834).

Almost surely, 2134197808 is an apocalyptic number.

It is an amenable number.

134197808 is a deficient number, since it is larger than the sum of its proper divisors (126458872).

134197808 is a wasteful number, since it uses less digits than its factorization.

134197808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924 (or 20918 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 134197808 is about 11584.3777562716. The cubic root of 134197808 is about 511.9746691570.

The spelling of 134197808 in words is "one hundred thirty-four million, one hundred ninety-seven thousand, eight hundred eight".

Divisors: 1 2 4 8 16 409 818 1636 3272 6544 20507 41014 82028 164056 328112 8387363 16774726 33549452 67098904 134197808