Properties of the Number 31248

Thirty-One Thousand Two Hundred Forty-Eight

Basics

Value: 31247 → 31248 → 31249

Parity: even

Prime: No

Previous Prime: 31247

Next Prime: 31249

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁴ × 3 ² × 7 × 31

Divisors: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000010000

Octal: 75020

Duodecimal: 16100

Hexadecimal: 7a10

Square: 976437504

Square Root: 176.77103835187484

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) is both the sum of n+1 consecutive integers and the sum of the n immediately higher consecutive integers. A59270

Numbers n such that n² can be represented as sum of (at least two) consecutive cubes and n is not a triangular number. A163393

a(n) is the concatenation of n and 8n. A9470

Numbers that are the sum of four third powers in seven or more ways. A345150

Numbers that are the sum of four third powers in exactly seven ways. A345151

Numbers that are divisible by all of their 1 and 2 digit substrings. A63527

a(n) is the first term k of A329902 for which A056239(k) = n. A330743

Primorial deflation of A133411(n), where A133411(n) is the smallest highly composite number of the form k·a(n-1) where k is an integer greater than 1. A330744

Number of isomorphism classes of connected (D₄)-fold coverings of a connected graph with circuit rank n. A160873

E.g.f.: x³*(exp(x)-1)². A52769