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85241856 = 21237991
BaseRepresentation
bin1010001010010…
…11000000000000
312221101201211210
411011023000000
5133310214411
612243010120
72053354350
oct505130000
9187351753
1085241856
1144131517
1224669940
131487728b
14b46cb60
15773bca6
hex514b000

85241856 has 104 divisors (see below), whose sum is σ = 260015104. Its totient is φ = 24330240.

The previous prime is 85241851. The next prime is 85241921. The reversal of 85241856 is 65814258.

It is not an unprimeable number, because it can be changed into a prime (85241851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85521 + ... + 86511.

Almost surely, 285241856 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 85241856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130007552).

85241856 is an abundant number, since it is smaller than the sum of its proper divisors (174773248).

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

85241856 is an equidigital number, since it uses as much as digits as its factorization.

85241856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1003 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 85241856 is about 9232.6516234503. The cubic root of 85241856 is about 440.0995917813.

The spelling of 85241856 in words is "eighty-five million, two hundred forty-one thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 991 1024 1344 1536 1792 1982 2048 2688 2973 3072 3584 3964 4096 5376 5946 6144 6937 7168 7928 10752 11892 12288 13874 14336 15856 20811 21504 23784 27748 28672 31712 41622 43008 47568 55496 63424 83244 86016 95136 110992 126848 166488 190272 221984 253696 332976 380544 443968 507392 665952 761088 887936 1014784 1331904 1522176 1775872 2029568 2663808 3044352 3551744 4059136 5327616 6088704 7103488 10655232 12177408 14206976 21310464 28413952 42620928 85241856