Properties of the Number 49278

Forty-Nine Thousand Two Hundred Seventy-Eight

Basics

Value: 49277 → 49278 → 49279

Parity: even

Prime: No

Previous Prime: 49277

Next Prime: 49279

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 43 × 191

Divisors: 1, 2, 3, 6, 43, 86, 129, 191, 258, 382

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000001111110

Octal: 140176

Duodecimal: 24626

Hexadecimal: c07e

Square: 2428321284

Square Root: 221.98648607516628

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

Integers having ideal digital mean up to base 5. A144800

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + 2·n, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294558

a(n) = 36·n² - 6. A158462

Indices of the triangular numbers in A189475. A358417

Irregular triangle read by rows: T(n,k) = number of k-sided polygons formed when connecting infinite lines between all vertices and all points that divide the sides of an equilateral triangle into n equal parts, for k = 3, 4, ..., max_k. A346446

Number of (n+1)X(2+1) 0..7 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1. A234415

Smallest nonnegative value taken on by nx² - 19y² for an infinite number of integer pairs (x, y). A49278