Search a number
-
+
85389384 = 2334098699
BaseRepresentation
bin1010001011011…
…11000001001000
312221200020012210
411011233001020
5133324430014
612250105120
72054540433
oct505570110
9187606183
1085389384
1144222343
122471b1a0
13148c9482
14b4aa81a
15776a859
hex516f048

85389384 has 32 divisors (see below), whose sum is σ = 214020000. Its totient is φ = 28390272.

The previous prime is 85389373. The next prime is 85389389. The reversal of 85389384 is 48398358.

It is not an unprimeable number, because it can be changed into a prime (85389389) 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 7 ways as a sum of consecutive naturals, for example, 5467 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (6688125).

Almost surely, 285389384 is an apocalyptic number.

It is an amenable number.

85389384 is an abundant number, since it is smaller than the sum of its proper divisors (128630616).

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

85389384 is a wasteful number, since it uses less digits than its factorization.

85389384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117 (or 9113 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 85389384 is about 9240.6376403363. The cubic root of 85389384 is about 440.3533387675.

The spelling of 85389384 in words is "eighty-five million, three hundred eighty-nine thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 409 818 1227 1636 2454 3272 4908 8699 9816 17398 26097 34796 52194 69592 104388 208776 3557891 7115782 10673673 14231564 21347346 28463128 42694692 85389384