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85948128 = 253571579
BaseRepresentation
bin1010001111101…
…11011011100000
312222201121200000
411013313123200
5134000320003
612310100000
72062355430
oct507673340
9188647600
1085948128
1144574112
122494a600
1314a638a6
14b5b42c0
15782b1a3
hex51f76e0

85948128 has 144 divisors (see below), whose sum is σ = 289860480. Its totient is φ = 24541056.

The previous prime is 85948091. The next prime is 85948147. The reversal of 85948128 is 82184958.

It is a happy number.

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, 53643 + ... + 55221.

It is an arithmetic number, because the mean of its divisors is an integer number (2012920).

Almost surely, 285948128 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 85948128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144930240).

85948128 is an abundant number, since it is smaller than the sum of its proper divisors (203912352).

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

85948128 is a wasteful number, since it uses less digits than its factorization.

85948128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611 (or 1591 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 85948128 is about 9270.8213228387. The cubic root of 85948128 is about 441.3117329439.

The spelling of 85948128 in words is "eighty-five million, nine hundred forty-eight thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 243 252 288 324 336 378 432 486 504 567 648 672 756 864 972 1008 1134 1296 1512 1579 1701 1944 2016 2268 2592 3024 3158 3402 3888 4536 4737 6048 6316 6804 7776 9072 9474 11053 12632 13608 14211 18144 18948 22106 25264 27216 28422 33159 37896 42633 44212 50528 54432 56844 66318 75792 85266 88424 99477 113688 127899 132636 151584 170532 176848 198954 227376 255798 265272 298431 341064 353696 383697 397908 454752 511596 530544 596862 682128 767394 795816 895293 1023192 1061088 1193724 1364256 1534788 1591632 1790586 2046384 2387448 2685879 3069576 3183264 3581172 4092768 4774896 5371758 6139152 7162344 9549792 10743516 12278304 14324688 21487032 28649376 42974064 85948128