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85082976 = 253211107251
BaseRepresentation
bin1010001001001…
…00001101100000
312221002122220100
411010210031200
5133240123401
612235342400
72052123216
oct504441540
9187078810
1085082976
1144033110
12245b1a00
131481cb74
14b42acb6
157709b86
hex5124360

85082976 has 144 divisors (see below), whose sum is σ = 267478848. Its totient is φ = 25440000.

The previous prime is 85082971. The next prime is 85082989. The reversal of 85082976 is 67928058.

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

It is a super-2 number, since 2×850829762 = 14478225610033152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85082971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338851 + ... + 339101.

It is an arithmetic number, because the mean of its divisors is an integer number (1857492).

Almost surely, 285082976 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 85082976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133739424).

85082976 is an abundant number, since it is smaller than the sum of its proper divisors (182395872).

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

85082976 is a wasteful number, since it uses less digits than its factorization.

85082976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 85082976 is about 9224.0433650325. The cubic root of 85082976 is about 439.8259917996.

The spelling of 85082976 in words is "eighty-five million, eighty-two thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 107 132 144 176 198 214 251 264 288 321 352 396 428 502 528 642 753 792 856 963 1004 1056 1177 1284 1506 1584 1712 1926 2008 2259 2354 2568 2761 3012 3168 3424 3531 3852 4016 4518 4708 5136 5522 6024 7062 7704 8032 8283 9036 9416 10272 10593 11044 12048 14124 15408 16566 18072 18832 21186 22088 24096 24849 26857 28248 30816 33132 36144 37664 42372 44176 49698 53714 56496 66264 72288 80571 84744 88352 99396 107428 112992 132528 161142 169488 198792 214856 241713 265056 295427 322284 338976 397584 429712 483426 590854 644568 795168 859424 886281 966852 1181708 1289136 1772562 1933704 2363416 2578272 2658843 3545124 3867408 4726832 5317686 7090248 7734816 9453664 10635372 14180496 21270744 28360992 42541488 85082976