Properties of the Number -54684

Fifty-Four Thousand Six Hundred Eighty-Four

Basics

Value: -54685 → -54684 → -54683

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 ² × 31

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1101010110011100

Octal: -152634

Duodecimal: -27790

Hexadecimal: -d59c

Square: 2990339856

Square Root: 233.84610323886093

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

Aliquot sequence starting at 276. A8892

Nonsquare numbers whose sum of proper square divisors is a square greater than 1. A232555

Numbers whose sum of proper square divisors is a square greater than 1. A232556

a(n) = ∏_{d∣n, d<n} prime(A286378(d)-1). A317942

a(n) = n * ∑_d∣n binomial(d+4,5)/d. A343546

Sums of 4 distinct powers of 6. A38480

Triangle T(n, k, m) = (m+1)ⁿ*t(n, m)*t(k, n-m)/(k! * (n-k)!), where T(0, k, m) = 1, t(n, k) = ∏_j=1..n ( ∑_i=0..j-1 (m+1)ⁱ ), and t(n, 0) = n!, read by rows. A157285

a(n) = (n+1)(n+2)²*(n+3)²*(n+4)²*(n+5)(3n² + 13n + 15)/43200. A107941

Numbers with prime factorization pq^2r^2s². A189344

Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically. A207062