Properties of the Number -32445

Thirty-Two Thousand Four Hundred Forty-Five

Basics

Value: -32446 → -32445 → -32444

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 103

Divisors: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111010111101

Octal: -77275

Duodecimal: -16939

Hexadecimal: -7ebd

Square: 1052678025

Square Root: 180.1249566273369

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) - 2k = 6. A87167

Odd numbers m whose abundance by absolute value is at most 10, that is, -10 <= σ(m) - 2m <= 10. A77374

Odd solutions to abs(σ(k) - 2k) <= log(k). Numbers k whose abundance-radius does not exceed log(k). A88012

Numbers k such that σ(k) == 0 (mod k+3). A274551

Even and odd solutions to abs(σ(x)-2x) <= log(x). Numbers n whose abundance-radius does not exceed log(n). A88011

Odd numbers whose abundancy is closer to 2 than any smaller odd number. A171929

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 abundant numbers whose abundancy is closer to 2 than any smaller odd abundant number. A188263

Triangle read by rows: T(n,k), n >=1, 0 <= k <= C(n,k), = number of n X n symmetric positive semi-definite matrices with 2's on the main diagonal and 1's and 0's elsewhere and with k 1's above the diagonal. A83029

Numbers k such that σ(k) == 6 (mod k). A88834