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134311780 = 2256715589
BaseRepresentation
bin10000000000101…
…10111101100100
3100100201202010101
420000112331210
5233340434110
621154433444
73220426351
oct1000267544
9310652111
10134311780
11698a7479
1238b92884
1321a98235
1413ba3628
15bbd113a
hex8016f64

134311780 has 12 divisors (see below), whose sum is σ = 282054780. Its totient is φ = 53724704.

The previous prime is 134311757. The next prime is 134311783. The reversal of 134311780 is 87113431.

It can be written as a sum of positive squares in 2 ways, for example, as 88397604 + 45914176 = 9402^2 + 6776^2 .

It is not an unprimeable number, because it can be changed into a prime (134311783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357775 + ... + 3357814.

It is an arithmetic number, because the mean of its divisors is an integer number (23504565).

Almost surely, 2134311780 is an apocalyptic number.

134311780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134311780 is an abundant number, since it is smaller than the sum of its proper divisors (147743000).

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

134311780 is a wasteful number, since it uses less digits than its factorization.

134311780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715598 (or 6715596 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 134311780 is about 11589.2959233941. The cubic root of 134311780 is about 512.1195653786.

The spelling of 134311780 in words is "one hundred thirty-four million, three hundred eleven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 6715589 13431178 26862356 33577945 67155890 134311780