Base | Representation |
---|---|
bin | 1010100111110… |
… | …10110100100001 |
3 | 20012200010211212 |
4 | 11103322310201 |
5 | 140302421440 |
6 | 12501515505 |
7 | 2131255226 |
oct | 523726441 |
9 | 205603755 |
10 | 89107745 |
11 | 46331a71 |
12 | 25a12b95 |
13 | 155cba9c |
14 | bb9794d |
15 | 7c52465 |
hex | 54fad21 |
89107745 has 4 divisors (see below), whose sum is σ = 106929300. Its totient is φ = 71286192.
The previous prime is 89107717. The next prime is 89107751. The reversal of 89107745 is 54770198.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21752896 + 67354849 = 4664^2 + 8207^2 .
It is a cyclic number.
It is not a de Polignac number, because 89107745 - 222 = 84913441 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8910770 + ... + 8910779.
It is an arithmetic number, because the mean of its divisors is an integer number (26732325).
Almost surely, 289107745 is an apocalyptic number.
It is an amenable number.
89107745 is a deficient number, since it is larger than the sum of its proper divisors (17821555).
89107745 is a wasteful number, since it uses less digits than its factorization.
89107745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17821554.
The product of its (nonzero) digits is 70560, while the sum is 41.
The square root of 89107745 is about 9439.6898783805. The cubic root of 89107745 is about 446.6546069242.
The spelling of 89107745 in words is "eighty-nine million, one hundred seven thousand, seven hundred forty-five".
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