Properties of the Number -38649

Thirty-Eight Thousand Six Hundred Forty-Nine

Basics

Value: -38650 → -38649 → -38648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 991

Divisors: 1, 3, 13, 39, 991, 2973, 12883, 38649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001011011111001

Octal: -113371

Duodecimal: -1A449

Hexadecimal: -96f9

Square: 1493745201

Square Root: 196.59348921060433

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

Sum of the second largest parts of the partitions of n into 10 parts. A326597

a(n) = n·prime(prime(n)). A80697

Fixed points of permutations A261333, A261334. A261335

a(n) = ∑_k=1..n sigma₂(k)². A356535

Expansion of ∑_k>=0 (x * (1 + k·x³))^k. A360749

a(n) = ∑_k=0..n 2^n-k * binomial(3·n+2,k) * binomial(3·n-k-1,n-k). A386866

Numbers whose base-14 representation has exactly 5 runs. A43666