Search a number
-
+
89825841 = 347179319
BaseRepresentation
bin1010101101010…
…10001000110001
320021000121220000
411112222020301
5140443411331
612525140213
72140335630
oct526521061
9207017800
1089825841
1146782536
12260ba669
13157c08b1
14bd03517
157d450e6
hex55aa231

89825841 has 40 divisors (see below), whose sum is σ = 162391680. Its totient is φ = 48304512.

The previous prime is 89825803. The next prime is 89825849. The reversal of 89825841 is 14852898.

It is a happy number.

It is not a de Polignac number, because 89825841 - 26 = 89825777 is a prime.

It is a super-2 number, since 2×898258412 = 16137363422714562, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89825849) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4980 + ... + 14298.

It is an arithmetic number, because the mean of its divisors is an integer number (4059792).

Almost surely, 289825841 is an apocalyptic number.

89825841 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

89825841 is a deficient number, since it is larger than the sum of its proper divisors (72565839).

89825841 is a wasteful number, since it uses less digits than its factorization.

89825841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355 (or 9346 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 89825841 is about 9477.6495503896. The cubic root of 89825841 is about 447.8512224539.

The spelling of 89825841 in words is "eighty-nine million, eight hundred twenty-five thousand, eight hundred forty-one".

Divisors: 1 3 7 9 17 21 27 51 63 81 119 153 189 357 459 567 1071 1377 3213 9319 9639 27957 65233 83871 158423 195699 251613 475269 587097 754839 1108961 1425807 1761291 3326883 4277421 5283873 9980649 12832263 29941947 89825841