5452

Number
$5452$ (five thousand, four hundred and fifty-two) is:
 * $2^2 \times 29 \times 47$


 * The $47$th heptagonal number after $1, 7, 18, 34, 55, 81, 112, \ldots, 3744, 3940, 4141, 4347, 4558, 4774, 4995, 5221$:
 * $5452 = \displaystyle \sum_{k \mathop = 1}^{47} \left({5 k - 4}\right) = \dfrac {47 \left({5 \times 47 - 3}\right)} 2$