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85967856 = 243213192417
BaseRepresentation
bin1010001111111…
…00001111110000
312222202121201200
411013330033300
5134001432411
612310331200
72062500102
oct507741760
9188677650
1085967856
1144587a17
1224959b00
1314a6c870
14b5bb572
157831e56
hex51fc3f0

85967856 has 120 divisors (see below), whose sum is σ = 272847120. Its totient is φ = 25049088.

The previous prime is 85967839. The next prime is 85967863. The reversal of 85967856 is 65876958.

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, 34360 + ... + 36776.

It is an arithmetic number, because the mean of its divisors is an integer number (2273726).

Almost surely, 285967856 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 85967856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136423560).

85967856 is an abundant number, since it is smaller than the sum of its proper divisors (186879264).

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

85967856 is a wasteful number, since it uses less digits than its factorization.

85967856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2454 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 85967856 is about 9271.8852451915. The cubic root of 85967856 is about 441.3454956797.

The spelling of 85967856 in words is "eighty-five million, nine hundred sixty-seven thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 19 24 26 36 38 39 48 52 57 72 76 78 104 114 117 144 152 156 171 208 228 234 247 304 312 342 456 468 494 624 684 741 912 936 988 1368 1482 1872 1976 2223 2417 2736 2964 3952 4446 4834 5928 7251 8892 9668 11856 14502 17784 19336 21753 29004 31421 35568 38672 43506 45923 58008 62842 87012 91846 94263 116016 125684 137769 174024 183692 188526 251368 275538 282789 348048 367384 377052 413307 502736 551076 565578 596999 734768 754104 826614 1102152 1131156 1193998 1508208 1653228 1790997 2204304 2262312 2387996 3306456 3581994 4524624 4775992 5372991 6612912 7163988 9551984 10745982 14327976 21491964 28655952 42983928 85967856