Base | Representation |
---|---|
bin | 1010101100000… |
… | …11100110111001 |
3 | 20020201121101222 |
4 | 11112003212321 |
5 | 140423334100 |
6 | 12521521425 |
7 | 2136110546 |
oct | 526034671 |
9 | 206647358 |
10 | 89668025 |
11 | 46684a07 |
12 | 26043275 |
13 | 15766b05 |
14 | bca1bcd |
15 | 7d13485 |
hex | 55839b9 |
89668025 has 12 divisors (see below), whose sum is σ = 113901564. Its totient is φ = 69984000.
The previous prime is 89668003. The next prime is 89668031. The reversal of 89668025 is 52086698.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 22771984 + 66896041 = 4772^2 + 8179^2 .
It is not a de Polignac number, because 89668025 - 28 = 89667769 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42716 + ... + 44765.
It is an arithmetic number, because the mean of its divisors is an integer number (9491797).
Almost surely, 289668025 is an apocalyptic number.
It is an amenable number.
89668025 is a deficient number, since it is larger than the sum of its proper divisors (24233539).
89668025 is a wasteful number, since it uses less digits than its factorization.
89668025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87532 (or 87527 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 44.
The square root of 89668025 is about 9469.3201973531. The cubic root of 89668025 is about 447.5887904712.
It can be divided in two parts, 896 and 68025, that added together give a cube (68921 = 413).
The spelling of 89668025 in words is "eighty-nine million, six hundred sixty-eight thousand, twenty-five".
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