Base | Representation |
---|---|
bin | 1010101010000… |
… | …11111100011101 |
3 | 20020020100201001 |
4 | 11111003330131 |
5 | 140342013021 |
6 | 12512150301 |
7 | 2133643366 |
oct | 525037435 |
9 | 206210631 |
10 | 89407261 |
11 | 46516aa9 |
12 | 25b38391 |
13 | 156a5208 |
14 | bc34b6d |
15 | 7cb1091 |
hex | 5543f1d |
89407261 has 16 divisors (see below), whose sum is σ = 94705200. Its totient is φ = 84284928.
The previous prime is 89407229. The next prime is 89407309. The reversal of 89407261 is 16270498.
It can be written as a sum of positive squares in 8 ways, for example, as 9036036 + 80371225 = 3006^2 + 8965^2 .
It is a cyclic number.
It is not a de Polignac number, because 89407261 - 25 = 89407229 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 89407261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89407211) 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, 332235 + ... + 332503.
It is an arithmetic number, because the mean of its divisors is an integer number (5919075).
Almost surely, 289407261 is an apocalyptic number.
It is an amenable number.
89407261 is a deficient number, since it is larger than the sum of its proper divisors (5297939).
89407261 is a wasteful number, since it uses less digits than its factorization.
89407261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 528.
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 89407261 is about 9455.5412854051. The cubic root of 89407261 is about 447.1544908556.
The spelling of 89407261 in words is "eighty-nine million, four hundred seven thousand, two hundred sixty-one".
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