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85075328 = 2713294143
BaseRepresentation
bin1010001001000…
…10010110000000
312221002021102002
411010202112000
5133234402303
612235243132
72052062012
oct504422600
9187067362
1085075328
1144028398
12245a94a8
1314819540
14b4281b2
157707788
hex5122580

85075328 has 128 divisors (see below), whose sum is σ = 197920800. Its totient is φ = 36126720.

The previous prime is 85075307. The next prime is 85075343. The reversal of 85075328 is 82357058.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×850753282 = 14475622868615168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85075291 and 85075300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1978475 + ... + 1978517.

Almost surely, 285075328 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 85075328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98960400).

85075328 is an abundant number, since it is smaller than the sum of its proper divisors (112845472).

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

85075328 is a wasteful number, since it uses less digits than its factorization.

85075328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85075328 is about 9223.6287869797. The cubic root of 85075328 is about 439.8128129392.

The spelling of 85075328 in words is "eighty-five million, seventy-five thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 29 32 41 43 52 58 64 82 86 104 116 128 164 172 208 232 328 344 377 416 464 533 559 656 688 754 832 928 1066 1118 1189 1247 1312 1376 1508 1664 1763 1856 2132 2236 2378 2494 2624 2752 3016 3526 3712 4264 4472 4756 4988 5248 5504 6032 7052 8528 8944 9512 9976 12064 14104 15457 16211 17056 17888 19024 19952 22919 24128 28208 30914 32422 34112 35776 38048 39904 45838 48256 51127 56416 61828 64844 68224 71552 76096 79808 91676 102254 112832 123656 129688 152192 159616 183352 204508 225664 247312 259376 366704 409016 494624 518752 664651 733408 818032 989248 1037504 1329302 1466816 1636064 1978496 2075008 2658604 2933632 3272128 5317208 6544256 10634416 21268832 42537664 85075328