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386505852 = 2232941103263
BaseRepresentation
bin10111000010011…
…001110001111100
3222221021112100120
4113002121301330
51242421141402
6102204054540
712402150135
oct2702316174
9887245316
10386505852
11189199627
12a9534450
13620c84b5
1439490c8c
1523dea3bc
hex17099c7c

386505852 has 96 divisors (see below), whose sum is σ = 968647680. Its totient is φ = 119723520.

The previous prime is 386505827. The next prime is 386505857. The reversal of 386505852 is 258505683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386505857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1469473 + ... + 1469735.

It is an arithmetic number, because the mean of its divisors is an integer number (10090080).

Almost surely, 2386505852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386505852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484323840).

386505852 is an abundant number, since it is smaller than the sum of its proper divisors (582141828).

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

386505852 is a wasteful number, since it uses less digits than its factorization.

386505852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 386505852 is about 19659.7520838896. The cubic root of 386505852 is about 728.4258643227.

The spelling of 386505852 in words is "three hundred eighty-six million, five hundred five thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 29 41 58 82 87 103 116 123 164 174 206 246 263 309 348 412 492 526 618 789 1052 1189 1236 1578 2378 2987 3156 3567 4223 4756 5974 7134 7627 8446 8961 10783 11948 12669 14268 15254 16892 17922 21566 22881 25338 27089 30508 32349 35844 43132 45762 50676 54178 64698 81267 91524 108356 122467 129396 162534 244934 312707 325068 367401 489868 625414 734802 785581 938121 1110649 1250828 1469604 1571162 1876242 2221298 2356743 3142324 3331947 3752484 4442596 4713486 6663894 9426972 13327788 32208821 64417642 96626463 128835284 193252926 386505852