Base | Representation |
---|---|
bin | 1010101100101… |
… | …11011100000111 |
3 | 20020212201211111 |
4 | 11112113130013 |
5 | 140433434010 |
6 | 12523345451 |
7 | 2136566431 |
oct | 526273407 |
9 | 206781744 |
10 | 89749255 |
11 | 4672aa42 |
12 | 26082287 |
13 | 15794a8b |
14 | bcc3651 |
15 | 7d2c58a |
hex | 5597707 |
89749255 has 8 divisors (see below), whose sum is σ = 113367600. Its totient is φ = 68020416.
The previous prime is 89749237. The next prime is 89749259. The reversal of 89749255 is 55294798.
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 89749255 - 25 = 89749223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 89749199 and 89749208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89749259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472270 + ... + 472459.
It is an arithmetic number, because the mean of its divisors is an integer number (14170950).
Almost surely, 289749255 is an apocalyptic number.
89749255 is a deficient number, since it is larger than the sum of its proper divisors (23618345).
89749255 is a wasteful number, since it uses less digits than its factorization.
89749255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 944753.
The product of its digits is 907200, while the sum is 49.
The square root of 89749255 is about 9473.6083410705. The cubic root of 89749255 is about 447.7239061352.
It can be divided in two parts, 89749 and 255, that multiplied together give a triangular number (22885995 = T6765).
The spelling of 89749255 in words is "eighty-nine million, seven hundred forty-nine thousand, two hundred fifty-five".
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