Base | Representation |
---|---|
bin | 1010101011010… |
… | …01010011000101 |
3 | 20020112010120201 |
4 | 11111221103011 |
5 | 140411412021 |
6 | 12515330501 |
7 | 2135151430 |
oct | 525512305 |
9 | 206463521 |
10 | 89560261 |
11 | 46610a4a |
12 | 25bb0a31 |
13 | 15729a4b |
14 | bc74817 |
15 | 7ce1591 |
hex | 55694c5 |
89560261 has 8 divisors (see below), whose sum is σ = 104033024. Its totient is φ = 75507120.
The previous prime is 89560259. The next prime is 89560279. The reversal of 89560261 is 16206598.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 89560261 - 21 = 89560259 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 89560261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89560201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104445 + ... + 105298.
It is an arithmetic number, because the mean of its divisors is an integer number (13004128).
Almost surely, 289560261 is an apocalyptic number.
It is an amenable number.
89560261 is a deficient number, since it is larger than the sum of its proper divisors (14472763).
89560261 is a wasteful number, since it uses less digits than its factorization.
89560261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209811.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 89560261 is about 9463.6283211039. The cubic root of 89560261 is about 447.4094129133.
The spelling of 89560261 in words is "eighty-nine million, five hundred sixty thousand, two hundred sixty-one".
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