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134443040 = 255840269
BaseRepresentation
bin10000000001101…
…11000000100000
3100100222102011212
420000313000200
5233404134130
621201325252
73221514134
oct1000670040
9310872155
10134443040
1169987056
1239036828
1321b12bc4
1413bd93c4
15bc09e95
hex8037020

134443040 has 24 divisors (see below), whose sum is σ = 317622060. Its totient is φ = 53777152.

The previous prime is 134443037. The next prime is 134443051. The reversal of 134443040 is 40344431.

134443040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128232976 + 6210064 = 11324^2 + 2492^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134442997 and 134443015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419975 + ... + 420294.

Almost surely, 2134443040 is an apocalyptic number.

134443040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134443040 is an abundant number, since it is smaller than the sum of its proper divisors (183179020).

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

134443040 is an equidigital number, since it uses as much as digits as its factorization.

134443040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840284 (or 840276 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 134443040 is about 11594.9575247174. The cubic root of 134443040 is about 512.2863388570.

Adding to 134443040 its reverse (40344431), we get a palindrome (174787471).

The spelling of 134443040 in words is "one hundred thirty-four million, four hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 840269 1680538 3361076 4201345 6722152 8402690 13444304 16805380 26888608 33610760 67221520 134443040