Properties of the Number -1642473

Six Hundred Forty-Two Thousand Four Hundred Seventy-Three

Basics

Value: -1642474 → -1642473 → -1642472

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 29 ² × 31

Divisors: 1, 3, 7, 9, 21, 29, 31, 63, 87, 93

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000111111101001

Octal: -6207751

Duodecimal: -672609

Hexadecimal: -190fe9

Square: 2697717555729

Square Root: 1281.5900280510925

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

a(n) = binomial(n+5,5)*(n+3)/3. A40977

a(n) = ∑_i=1..n i²*t(i), where t = A000217. A86689