---
id: 5
localeTitle: 5900f51e1000cf542c510030
challengeType: 5
title: 'Problem 432: Totient sum'
---

## Description
<section id='description'> 
Sea S (n, m) = ∑φ (n × i) para 1 ≤ i ≤ m. (φ es la función total de Euler) 
Se le da que S (510510,106) = 45480596821125120. 


Encuentre S (510510,1011). 
Da los últimos 9 dígitos de tu respuesta. 
</section>

## Instructions
<section id='instructions'> 

</section>

## Tests
<section id='tests'>

```yml
tests:
  - text: <code>euler432()</code> debe devolver 754862080.
    testString: 'assert.strictEqual(euler432(), 754862080, "<code>euler432()</code> should return 754862080.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function euler432() {
  // Good luck!
  return true;
}

euler432();
```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>