Search a number
-
+
85241080 = 2354745341
BaseRepresentation
bin1010001010010…
…10110011111000
312221101200210001
411011022303320
5133310203310
612243002344
72053352161
oct505126370
9187350701
1085241080
1144130981
12246693b4
1314876b12
14b46c768
15773b93a
hex514acf8

85241080 has 32 divisors (see below), whose sum is σ = 195877440. Its totient is φ = 33370240.

The previous prime is 85241047. The next prime is 85241089. The reversal of 85241080 is 8014258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85241089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20791 + ... + 24550.

It is an arithmetic number, because the mean of its divisors is an integer number (6121170).

Almost surely, 285241080 is an apocalyptic number.

It is an amenable number.

85241080 is an abundant number, since it is smaller than the sum of its proper divisors (110636360).

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

85241080 is a wasteful number, since it uses less digits than its factorization.

85241080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45399 (or 45395 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 85241080 is about 9232.6095985913. The cubic root of 85241080 is about 440.0982562937.

It can be divided in two parts, 8524 and 1080, that added together give a square (9604 = 982).

The spelling of 85241080 in words is "eighty-five million, two hundred forty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 45341 90682 181364 226705 362728 453410 906820 1813640 2131027 4262054 8524108 10655135 17048216 21310270 42620540 85241080