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85928960 = 2105131291
BaseRepresentation
bin1010001111100…
…10110000000000
312222200122101002
411013302300000
5133444211320
612305431132
72062245515
oct507626000
9188618332
1085928960
1144560777
122493b4a8
1314a57c50
14b5ab30c
157825675
hex51f2c00

85928960 has 88 divisors (see below), whose sum is σ = 222156816. Its totient is φ = 31703040.

The previous prime is 85928959. The next prime is 85928971. The reversal of 85928960 is 6982958.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65915 + ... + 67205.

Almost surely, 285928960 is an apocalyptic number.

85928960 is a gapful number since it is divisible by the number (80) 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 85928960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111078408).

85928960 is an abundant number, since it is smaller than the sum of its proper divisors (136227856).

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

85928960 is a wasteful number, since it uses less digits than its factorization.

85928960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 85928960 is about 9269.7874840797. The cubic root of 85928960 is about 441.2789236498.

The spelling of 85928960 in words is "eighty-five million, nine hundred twenty-eight thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 512 520 640 832 1024 1040 1280 1291 1664 2080 2560 2582 3328 4160 5120 5164 6455 6656 8320 10328 12910 13312 16640 16783 20656 25820 33280 33566 41312 51640 66560 67132 82624 83915 103280 134264 165248 167830 206560 268528 330496 335660 413120 537056 660992 671320 826240 1074112 1321984 1342640 1652480 2148224 2685280 3304960 4296448 5370560 6609920 8592896 10741120 17185792 21482240 42964480 85928960