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338960820 = 2235113116567
BaseRepresentation
bin10100001101000…
…010000110110100
3212121210222211110
4110031002012310
51143233221240
653345035020
711254055652
oct2415020664
9777728743
10338960820
11164375310
1295625a70
13552bc643
1433035dd2
151eb57c80
hex143421b4

338960820 has 96 divisors (see below), whose sum is σ = 1068834816. Its totient is φ = 79516800.

The previous prime is 338960819. The next prime is 338960857. The reversal of 338960820 is 28069833.

It is a super-2 number, since 2×3389608202 = 229788874990144800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 12177 + ... + 28743.

It is an arithmetic number, because the mean of its divisors is an integer number (11133696).

Almost surely, 2338960820 is an apocalyptic number.

338960820 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 338960820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534417408).

338960820 is an abundant number, since it is smaller than the sum of its proper divisors (729873996).

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

338960820 is a wasteful number, since it uses less digits than its factorization.

338960820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16621 (or 16619 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 338960820 is about 18410.8886260278. Note that the first 3 decimals coincide. The cubic root of 338960820 is about 697.2414015477.

The spelling of 338960820 in words is "three hundred thirty-eight million, nine hundred sixty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 31 33 44 55 60 62 66 93 110 124 132 155 165 186 220 310 330 341 372 465 620 660 682 930 1023 1364 1705 1860 2046 3410 4092 5115 6820 10230 16567 20460 33134 49701 66268 82835 99402 165670 182237 198804 248505 331340 364474 497010 513577 546711 728948 911185 994020 1027154 1093422 1540731 1822370 2054308 2186844 2567885 2733555 3081462 3644740 5135770 5467110 5649347 6162924 7703655 10271540 10934220 11298694 15407310 16948041 22597388 28246735 30814620 33896082 56493470 67792164 84740205 112986940 169480410 338960820