Base | Representation |
---|---|
bin | 100010011011… |
… | …111001001001 |
3 | 121222121220201 |
4 | 202123321021 |
5 | 4302332040 |
6 | 521252201 |
7 | 136505131 |
oct | 42337111 |
9 | 17877821 |
10 | 9027145 |
11 | 5106256 |
12 | 3034061 |
13 | 1b40b0a |
14 | 12adac1 |
15 | bd4a9a |
hex | 89be49 |
9027145 has 8 divisors (see below), whose sum is σ = 10859400. Its totient is φ = 7203840.
The previous prime is 9027133. The next prime is 9027167. The reversal of 9027145 is 5417209.
It is a happy number.
9027145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 8922169 = 324^2 + 2987^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9027145 - 211 = 9025097 is a prime.
9027145 is a lucky number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 4255.
It is an arithmetic number, because the mean of its divisors is an integer number (1357425).
Almost surely, 29027145 is an apocalyptic number.
It is an amenable number.
9027145 is a deficient number, since it is larger than the sum of its proper divisors (1832255).
9027145 is a wasteful number, since it uses less digits than its factorization.
9027145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4475.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 9027145 is about 3004.5207604542. The cubic root of 9027145 is about 208.2172978726.
The spelling of 9027145 in words is "nine million, twenty-seven thousand, one hundred forty-five".
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