Search a number
-
+
85811848 = 2347228223
BaseRepresentation
bin1010001110101…
…10001010001000
312222110200201121
411013112022020
5133431434343
612303125024
72061250213
oct507261210
9188420647
1085811848
1144490791
12248a3774
1314a16855
14b57a77a
157800aed
hex51d6288

85811848 has 16 divisors (see below), whose sum is σ = 164321280. Its totient is φ = 41992848.

The previous prime is 85811777. The next prime is 85811849. The reversal of 85811848 is 84811858.

It is not an unprimeable number, because it can be changed into a prime (85811849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113736 + ... + 114487.

It is an arithmetic number, because the mean of its divisors is an integer number (10270080).

Almost surely, 285811848 is an apocalyptic number.

It is an amenable number.

85811848 is a deficient number, since it is larger than the sum of its proper divisors (78509432).

85811848 is a wasteful number, since it uses less digits than its factorization.

85811848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228276 (or 228272 counting only the distinct ones).

The product of its digits is 81920, while the sum is 43.

The square root of 85811848 is about 9263.4684648894. The cubic root of 85811848 is about 441.0783604839.

The spelling of 85811848 in words is "eighty-five million, eight hundred eleven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 47 94 188 376 228223 456446 912892 1825784 10726481 21452962 42905924 85811848