Properties of the Number -76438

Seventy-Six Thousand Four Hundred Thirty-Eight

Basics

Value: -76439 → -76438 → -76437

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 38219

Divisors: 1, 2, 38219, 76438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010101010010110

Octal: -225226

Duodecimal: -3829A

Hexadecimal: -12a96

Square: 5842767844

Square Root: 276.47423026387105

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

Base-10 pseudo-altruistic numbers. A157714

Amicable digital pairs: The larger number of a pair (x,y) with x <> y such that, in decimal notation and with an appropriate number of leading zeros prepended, x=(x_m...x_1x_0)_{10}, y=(y_m...y_1y_0)_{10}, x = y_m^m + ... + y₁^m + y₀^m, and y = x_m^m + ... + x₁^m + x₀^m. A262092

Amicable digital pairs: A262091 and A262092 interleaved. A262615

Amicable digital numbers. A264951

Amicable digital pair: the pairs from A262615 ordered by their smallest member. A264958

Let n = d₁ d₂ ... d_k in base 10 and f(n) = ∑_i=1..k d_i^k; sequence gives numbers n such that n ≠ f(n) but n = f(f(n)). A101335

Numbers k such that 5·10^k + 4·R_k - 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A103014

5th-order digital invariants: the sum of the 5th powers of the digits of n equals some number k and the sum of the 5th powers of the digits of k equals n. A72896