Base | Representation |
---|---|
bin | 1011001100011… |
… | …00000110000001 |
3 | 20112200110120222 |
4 | 11212030012001 |
5 | 143014201324 |
6 | 13152312425 |
7 | 2220053306 |
oct | 546140601 |
9 | 215613528 |
10 | 93897089 |
11 | 49003300 |
12 | 27542715 |
13 | 165b7a10 |
14 | c6830ad |
15 | 839b55e |
hex | 598c181 |
93897089 has 12 divisors (see below), whose sum is σ = 111150228. Its totient is φ = 78793440.
The previous prime is 93897077. The next prime is 93897091. The reversal of 93897089 is 98079839.
It can be written as a sum of positive squares in 2 ways, for example, as 5856400 + 88040689 = 2420^2 + 9383^2 .
It is not a de Polignac number, because 93897089 - 224 = 77119873 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 93897089.
It is not an unprimeable number, because it can be changed into a prime (93897019) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28274 + ... + 31419.
It is an arithmetic number, because the mean of its divisors is an integer number (9262519).
Almost surely, 293897089 is an apocalyptic number.
It is an amenable number.
93897089 is a deficient number, since it is larger than the sum of its proper divisors (17253139).
93897089 is a wasteful number, since it uses less digits than its factorization.
93897089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59728 (or 59717 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 53.
The square root of 93897089 is about 9690.0510318574. The cubic root of 93897089 is about 454.5176049107.
The spelling of 93897089 in words is "ninety-three million, eight hundred ninety-seven thousand, eighty-nine".
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