Properties of the Number -219520

Two Hundred Nineteen Thousand Five Hundred Twenty

Basics

Value: -219521 → -219520 → -219519

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁷ × 5 × 7 ³

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101100110000000

Octal: -654600

Duodecimal: -A7054

Hexadecimal: -35980

Square: 48189030400

Square Root: 468.5296148590823

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers whose sum of nonunitary divisors and sum of unitary divisors are both positive squares. A64730

Seventh column of triangle A067425. A67427

a(n) = Pell(n)*A000143(n) for n>=1 with a(0)=1, where A000143(n) is the number of ways of writing n as a sum of 8 squares. A209444

a(n) = 10·n³. A244729

Triangle whose (i,j)-th entry is binomial(i,j)*8^i-j*7^j. A38285

Triangle read by rows: T(n,k)=k³*2^k*binomial(2n-k,n-k)/(2n-k) (1<=k<=n). A112327

Numbers k = a·b, such that k' = a' * b' where k', a' and b' are the arithmetic derivatives of k, a and b. A294153

Triangle whose (i,j)-th entry is binomial(i,j)*7^i-j*8^j. A38274

The greedy sequence of real numbers at least 1 that do not contain any 6-term geometric progressions with integer ratio. A235057