Search a number
-
+
89044285 = 5114333739
BaseRepresentation
bin1010100111010…
…11010100111101
320012112220210111
411103223110331
5140243404120
612500310021
72130602221
oct523532475
9205486714
1089044285
1146299320
12259a2311
13155a8c35
14bb7c781
157c3d75a
hex54eb53d

89044285 has 16 divisors (see below), whose sum is σ = 116867520. Its totient is φ = 64592640.

The previous prime is 89044259. The next prime is 89044289. The reversal of 89044285 is 58244098.

It is not a de Polignac number, because 89044285 - 25 = 89044253 is a prime.

It is a super-2 number, since 2×890442852 = 15857769382322450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89044289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21946 + ... + 25684.

It is an arithmetic number, because the mean of its divisors is an integer number (7304220).

Almost surely, 289044285 is an apocalyptic number.

It is an amenable number.

89044285 is a deficient number, since it is larger than the sum of its proper divisors (27823235).

89044285 is a wasteful number, since it uses less digits than its factorization.

89044285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 89044285 is about 9436.3279404650. The cubic root of 89044285 is about 446.5485501769.

The spelling of 89044285 in words is "eighty-nine million, forty-four thousand, two hundred eighty-five".

Divisors: 1 5 11 55 433 2165 3739 4763 18695 23815 41129 205645 1618987 8094935 17808857 89044285