Search a number
-
+
338138080 = 2557319739
BaseRepresentation
bin10100001001111…
…001001111100000
3212120021012020121
4110021321033200
51143030404310
653315250024
711244061210
oct2411711740
9776235217
10338138080
11163963165
12952a9914
1355092007
1432ca0240
151ea440da
hex142793e0

338138080 has 96 divisors (see below), whose sum is σ = 942520320. Its totient is φ = 112181760.

The previous prime is 338138077. The next prime is 338138081. The reversal of 338138080 is 80831833.

It is a super-2 number, since 2×3381380802 = 228674722292172800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338138081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29851 + ... + 39589.

It is an arithmetic number, because the mean of its divisors is an integer number (9817920).

Almost surely, 2338138080 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 338138080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471260160).

338138080 is an abundant number, since it is smaller than the sum of its proper divisors (604382240).

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

338138080 is a wasteful number, since it uses less digits than its factorization.

338138080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9792 (or 9784 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 338138080 is about 18388.5312083374. The cubic root of 338138080 is about 696.6768199289.

The spelling of 338138080 in words is "three hundred thirty-eight million, one hundred thirty-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 155 160 217 224 248 280 310 434 496 560 620 868 992 1085 1120 1240 1736 2170 2480 3472 4340 4960 6944 8680 9739 17360 19478 34720 38956 48695 68173 77912 97390 136346 155824 194780 272692 301909 311648 340865 389560 545384 603818 681730 779120 1090768 1207636 1363460 1509545 1558240 2113363 2181536 2415272 2726920 3019090 4226726 4830544 5453840 6038180 8453452 9661088 10566815 10907680 12076360 16906904 21133630 24152720 33813808 42267260 48305440 67627616 84534520 169069040 338138080