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338141440 = 2857132903
BaseRepresentation
bin10100001001111…
…010000100000000
3212120021100212001
4110021322010000
51143031011230
653315313344
711244104050
oct2411720400
9776240761
10338141440
1116396573a
12952ab854
13550936c0
1432ca1560
151ea450ca
hex1427a100

338141440 has 144 divisors (see below), whose sum is σ = 997210368. Its totient is φ = 106979328.

The previous prime is 338141417. The next prime is 338141443. The reversal of 338141440 is 44141833.

338141440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3381414402 = 228679266890547200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 338141399 and 338141408.

It is not an unprimeable number, because it can be changed into a prime (338141443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115029 + ... + 117931.

It is an arithmetic number, because the mean of its divisors is an integer number (6925072).

Almost surely, 2338141440 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 338141440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498605184).

338141440 is an abundant number, since it is smaller than the sum of its proper divisors (659068928).

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

338141440 is a wasteful number, since it uses less digits than its factorization.

338141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 338141440 is about 18388.6225694042. The cubic root of 338141440 is about 696.6791274935.

It can be divided in two parts, 338 and 141440, that added together give a triangular number (141778 = T532).

The spelling of 338141440 in words is "three hundred thirty-eight million, one hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 160 182 208 224 256 260 280 320 364 416 448 455 520 560 640 728 832 896 910 1040 1120 1280 1456 1664 1792 1820 2080 2240 2903 2912 3328 3640 4160 4480 5806 5824 7280 8320 8960 11612 11648 14515 14560 16640 20321 23224 23296 29030 29120 37739 40642 46448 58060 58240 75478 81284 92896 101605 116120 116480 150956 162568 185792 188695 203210 232240 264173 301912 325136 371584 377390 406420 464480 528346 603824 650272 743168 754780 812840 928960 1056692 1207648 1300544 1320865 1509560 1625680 1857920 2113384 2415296 2601088 2641730 3019120 3251360 3715840 4226768 4830592 5202176 5283460 6038240 6502720 8453536 9661184 10566920 12076480 13005440 16907072 21133840 24152960 26010880 33814144 42267680 48305920 67628288 84535360 169070720 338141440