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393320160 = 253251716067
BaseRepresentation
bin10111011100011…
…001011011100000
31000102002201211100
4113130121123200
51301142221120
6103010114400
712514111002
oct2734313340
91012081740
10393320160
11192023292
12ab87ba00
136364302c
143a346372
15247e4490
hex177196e0

393320160 has 144 divisors (see below), whose sum is σ = 1421246736. Its totient is φ = 98709504.

The previous prime is 393320113. The next prime is 393320189. The reversal of 393320160 is 61023393.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16447 + ... + 32513.

It is an arithmetic number, because the mean of its divisors is an integer number (9869769).

Almost surely, 2393320160 is an apocalyptic number.

393320160 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 393320160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710623368).

393320160 is an abundant number, since it is smaller than the sum of its proper divisors (1027926576).

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

393320160 is a wasteful number, since it uses less digits than its factorization.

393320160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105 (or 16094 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 393320160 is about 19832.3009255104. The cubic root of 393320160 is about 732.6817978020.

The spelling of 393320160 in words is "three hundred ninety-three million, three hundred twenty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 40 45 48 51 60 68 72 80 85 90 96 102 120 136 144 153 160 170 180 204 240 255 272 288 306 340 360 408 480 510 544 612 680 720 765 816 1020 1224 1360 1440 1530 1632 2040 2448 2720 3060 4080 4896 6120 8160 12240 16067 24480 32134 48201 64268 80335 96402 128536 144603 160670 192804 241005 257072 273139 289206 321340 385608 482010 514144 546278 578412 642680 723015 771216 819417 964020 1092556 1156824 1285360 1365695 1446030 1542432 1638834 1928040 2185112 2313648 2458251 2570720 2731390 2892060 3277668 3856080 4097085 4370224 4627296 4916502 5462780 5784120 6555336 7712160 8194170 8740448 9833004 10925560 11568240 12291255 13110672 16388340 19666008 21851120 23136480 24582510 26221344 32776680 39332016 43702240 49165020 65553360 78664032 98330040 131106720 196660080 393320160