Properties of the Number -240312

Two Hundred Forty Thousand Three Hundred Twelve

Basics

Value: -240313 → -240312 → -240311

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 17 × 19 × 31

Divisors: 1, 2, 3, 4, 6, 8, 12, 17, 19, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111010101010111000

Octal: -725270

Duodecimal: -B70A0

Hexadecimal: -3aab8

Square: 57749857344

Square Root: 490.21627879947033

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

Lesser of semi-unitary amicable numbers pair: numbers (m, n) such that susigma(m) = susigma(n) = m + n, where susigma(n) is the sum of the semi-unitary divisors of n (A322485). A322541

Absolute value of coefficient of term [x^n-3] in characteristic polynomial of maximum matrix A of size n X n, where n >= 3. Maximum matrix A(i,j) is MAX(i,j), where indices i and j run from 1 to n. A112459

Numbers n such that σ(n) = 10*φ(n) (where σ=A000203, φ=A000010). A171256

Lesser of modified exponential amicable pairs. A323758

Lesser of exponentially-odd amicable numbers pair: numbers m < k such that m = s(k) and k = s(m), where s(k) is the sum of proper exponential-odd divisors of k. A325847

Number of edge covers in the n-sun graph. A290933

Number of parts in all partitions of n with largest multiplicity ten. A320380

Lesser of recursive amicable numbers pair: numbers m < k such that m = s(k) and k = s(m), where s(k) = A333926(k) - k is the sum of proper recursive divisors of k. A333929