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389083760 = 245131759373
BaseRepresentation
bin10111001100001…
…111001001110000
31000010010111120122
4113030033021300
51244101140020
6102335225412
712433104662
oct2714171160
91003114518
10389083760
1118a69a42a
12aa378268
13627bb9a0
1439962532
1524259125
hex1730f270

389083760 has 160 divisors (see below), whose sum is σ = 1051807680. Its totient is φ = 132562944.

The previous prime is 389083757. The next prime is 389083787. The reversal of 389083760 is 67380983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042934 + ... + 1043306.

It is an arithmetic number, because the mean of its divisors is an integer number (6573798).

Almost surely, 2389083760 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 389083760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525903840).

389083760 is an abundant number, since it is smaller than the sum of its proper divisors (662723920).

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

389083760 is a wasteful number, since it uses less digits than its factorization.

389083760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 389083760 is about 19725.2062093150. The cubic root of 389083760 is about 730.0417565406.

The spelling of 389083760 in words is "three hundred eighty-nine million, eighty-three thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 17 20 26 34 40 52 59 65 68 80 85 104 118 130 136 170 208 221 236 260 272 295 340 373 442 472 520 590 680 746 767 884 944 1003 1040 1105 1180 1360 1492 1534 1768 1865 2006 2210 2360 2984 3068 3536 3730 3835 4012 4420 4720 4849 5015 5968 6136 6341 7460 7670 8024 8840 9698 10030 12272 12682 13039 14920 15340 16048 17680 19396 20060 22007 24245 25364 26078 29840 30680 31705 38792 40120 44014 48490 50728 52156 61360 63410 65195 77584 80240 82433 88028 96980 101456 104312 110035 126820 130390 164866 176056 193960 208624 220070 253640 260780 286091 329732 352112 374119 387920 412165 440140 507280 521560 572182 659464 748238 824330 880280 1043120 1144364 1318928 1430455 1496476 1648660 1760560 1870595 2288728 2860910 2992952 3297320 3741190 4577456 4863547 5721820 5985904 6594640 7482380 9727094 11443640 14964760 19454188 22887280 24317735 29929520 38908376 48635470 77816752 97270940 194541880 389083760