Base | Representation |
---|---|
bin | 1010101001110… |
… | …00101101001001 |
3 | 20020011000120000 |
4 | 11110320231021 |
5 | 140334024400 |
6 | 12511153213 |
7 | 2133362232 |
oct | 524705511 |
9 | 206130500 |
10 | 89361225 |
11 | 46495458 |
12 | 25b15809 |
13 | 1568a285 |
14 | bc22089 |
15 | 7ca2600 |
hex | 5538b49 |
89361225 has 30 divisors (see below), whose sum is σ = 165531630. Its totient is φ = 47658240.
The previous prime is 89361221. The next prime is 89361227. The reversal of 89361225 is 52216398.
It can be written as a sum of positive squares in 3 ways, for example, as 1245456 + 88115769 = 1116^2 + 9387^2 .
It is not a de Polignac number, because 89361225 - 22 = 89361221 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 89361225.
It is not an unprimeable number, because it can be changed into a prime (89361221) 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 29 ways as a sum of consecutive naturals, for example, 20040 + ... + 24089.
It is an arithmetic number, because the mean of its divisors is an integer number (5517721).
Almost surely, 289361225 is an apocalyptic number.
It is an amenable number.
89361225 is a deficient number, since it is larger than the sum of its proper divisors (76170405).
89361225 is a wasteful number, since it uses less digits than its factorization.
89361225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44151 (or 44137 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 89361225 is about 9453.1066322136. The cubic root of 89361225 is about 447.0777307280.
The spelling of 89361225 in words is "eighty-nine million, three hundred sixty-one thousand, two hundred twenty-five".
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