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387538734 = 23116196259
BaseRepresentation
bin10111000110010…
…101111100101110
31000000020000012110
4113012111330232
51243202214414
6102242144450
712414011352
oct2706257456
91000200173
10387538734
11189834650
12a9952126
136239a67b
143967d462
1524051459
hex17195f2e

387538734 has 32 divisors (see below), whose sum is σ = 859409280. Its totient is φ = 115509600.

The previous prime is 387538733. The next prime is 387538771. The reversal of 387538734 is 437835783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387538733) 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 15 ways as a sum of consecutive naturals, for example, 44104 + ... + 52155.

It is an arithmetic number, because the mean of its divisors is an integer number (26856540).

Almost surely, 2387538734 is an apocalyptic number.

387538734 is an abundant number, since it is smaller than the sum of its proper divisors (471870546).

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

387538734 is a wasteful number, since it uses less digits than its factorization.

387538734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96336.

The product of its digits is 1693440, while the sum is 48.

The square root of 387538734 is about 19686.0035050286. The cubic root of 387538734 is about 729.0741587320.

The spelling of 387538734 in words is "three hundred eighty-seven million, five hundred thirty-eight thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 96259 192518 288777 577554 1058849 2117698 3176547 5871799 6353094 11743598 17615397 35230794 64589789 129179578 193769367 387538734