5452

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


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