Base | Representation |
---|---|
bin | 1000010110011… |
… | …11110001101001 |
3 | 11212211021020010 |
4 | 10023033301221 |
5 | 120413311230 |
6 | 10541322133 |
7 | 1510322001 |
oct | 413176151 |
9 | 155737203 |
10 | 70057065 |
11 | 365aaa01 |
12 | 1b566349 |
13 | 1168b7b0 |
14 | 9439001 |
15 | 623c9b0 |
hex | 42cfc69 |
70057065 has 16 divisors (see below), whose sum is σ = 120714048. Its totient is φ = 34489536.
The previous prime is 70057061. The next prime is 70057067. The reversal of 70057065 is 56075007.
It is not a de Polignac number, because 70057065 - 22 = 70057061 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70057061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179439 + ... + 179828.
It is an arithmetic number, because the mean of its divisors is an integer number (7544628).
Almost surely, 270057065 is an apocalyptic number.
It is an amenable number.
70057065 is a deficient number, since it is larger than the sum of its proper divisors (50656983).
70057065 is a wasteful number, since it uses less digits than its factorization.
70057065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359288.
The product of its (nonzero) digits is 7350, while the sum is 30.
The square root of 70057065 is about 8370.0098566250. The cubic root of 70057065 is about 412.2404905841.
The spelling of 70057065 in words is "seventy million, fifty-seven thousand, sixty-five".
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