Properties of the Number -437745

Four Hundred Thirty-Seven Thousand Seven Hundred Forty-Five

Basics

Value: -437746 → -437745 → -437744

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 379

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1101010110111110001

Octal: -1526761

Duodecimal: -1913A9

Hexadecimal: -6adf1

Square: 191620685025

Square Root: 661.6230044368167

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

Numbers k such that σ(k) = σ(k+9). A15877

Odd numbers n such that abs(σ(n)-2n) <= n^1/3. Abundance-radius = abs(σ(n)-2n) does not exceed cubic root of n and n is odd. A88010

Odd admirable numbers: such that σ(n) = 2n + 2d for some d | n. A109729

f-perfect numbers, where f(m) = m - 1. A66230

Odd unitary admirable numbers: the odd terms of A328328. A329188

Odd unitary abundant numbers whose unitary abundancy is closer to 2 than that of any smaller odd unitary abundant number. A335052

Odd bi-unitary abundant numbers whose bi-unitary abundancy is closer to 2 than that of any smaller odd bi-unitary abundant number. A335053

Odd infinitary abundant numbers whose infinitary abundancy is closer to 2 than that of any smaller odd infinitary abundant number. A335055

Numbers m with abundance 30: σ(m) - 2·m = 30. A389701

Odd bi-unitary admirable numbers: the odd terms of A334972. A334973