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338828820 = 2235114311939
BaseRepresentation
bin10100001100100…
…001111000010100
3212121120021202120
4110030201320110
51143220010240
653342135540
711252666061
oct2414417024
9777507676
10338828820
11164295120
12955815b0
1355274535
1432dddc68
151eb2dad0
hex14321e14

338828820 has 96 divisors (see below), whose sum is σ = 1059125760. Its totient is φ = 80223360.

The previous prime is 338828807. The next prime is 338828821. The reversal of 338828820 is 28828833.

It is a super-2 number, since 2×3388288202 = 229609938525184800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338828821) 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 31 ways as a sum of consecutive naturals, for example, 22411 + ... + 34349.

It is an arithmetic number, because the mean of its divisors is an integer number (11032560).

Almost surely, 2338828820 is an apocalyptic number.

338828820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 338828820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529562880).

338828820 is an abundant number, since it is smaller than the sum of its proper divisors (720296940).

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

338828820 is a wasteful number, since it uses less digits than its factorization.

338828820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12005 (or 12003 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 338828820 is about 18407.3034418407. The cubic root of 338828820 is about 697.1508819270.

The spelling of 338828820 in words is "three hundred thirty-eight million, eight hundred twenty-eight thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 43 44 55 60 66 86 110 129 132 165 172 215 220 258 330 430 473 516 645 660 860 946 1290 1419 1892 2365 2580 2838 4730 5676 7095 9460 11939 14190 23878 28380 35817 47756 59695 71634 119390 131329 143268 179085 238780 262658 358170 393987 513377 525316 656645 716340 787974 1026754 1313290 1540131 1575948 1969935 2053508 2566885 2626580 3080262 3939870 5133770 5647147 6160524 7700655 7879740 10267540 11294294 15401310 16941441 22588588 28235735 30802620 33882882 56471470 67765764 84707205 112942940 169414410 338828820