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38205000 = 233354283
BaseRepresentation
bin1001000110111…
…1011001001000
32122220000102000
42101233121020
534240030000
63442511000
7642510561
oct221573110
978800360
1038205000
111a624a89
1210965460
137bb8812
145107168
15354a000
hex246f648

38205000 has 160 divisors (see below), whose sum is σ = 133082400. Its totient is φ = 10152000.

The previous prime is 38204993. The next prime is 38205023. The reversal of 38205000 is 50283.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134859 + ... + 135141.

It is an arithmetic number, because the mean of its divisors is an integer number (831765).

Almost surely, 238205000 is an apocalyptic number.

38205000 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 38205000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66541200).

38205000 is an abundant number, since it is smaller than the sum of its proper divisors (94877400).

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

38205000 is a wasteful number, since it uses less digits than its factorization.

38205000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 38205000 is about 6181.0193334110. The cubic root of 38205000 is about 336.8010225218.

Adding to 38205000 its reverse (50283), we get a palindrome (38255283).

The spelling of 38205000 in words is "thirty-eight million, two hundred five thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 108 120 125 135 150 180 200 216 225 250 270 283 300 360 375 450 500 540 566 600 625 675 750 849 900 1000 1080 1125 1132 1250 1350 1415 1500 1698 1800 1875 2250 2264 2500 2547 2700 2830 3000 3375 3396 3750 4245 4500 5000 5094 5400 5625 5660 6750 6792 7075 7500 7641 8490 9000 10188 11250 11320 12735 13500 14150 15000 15282 16875 16980 20376 21225 22500 25470 27000 28300 30564 33750 33960 35375 38205 42450 45000 50940 56600 61128 63675 67500 70750 76410 84900 101880 106125 127350 135000 141500 152820 169800 176875 191025 212250 254700 283000 305640 318375 353750 382050 424500 509400 530625 636750 707500 764100 849000 955125 1061250 1273500 1415000 1528200 1591875 1910250 2122500 2547000 3183750 3820500 4245000 4775625 6367500 7641000 9551250 12735000 19102500 38205000