Properties of the Number 40378

Forty Thousand Three Hundred Seventy-Eight

Basics

Value: 40377 → 40378 → 40379

Parity: even

Prime: No

Previous Prime: 40361

Next Prime: 40387

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13 × 1553

Divisors: 1, 2, 13, 26, 1553, 3106, 20189, 40378

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110110111010

Octal: 116672

Duodecimal: 1B44A

Hexadecimal: 9dba

Square: 1630382884

Square Root: 200.94277792446286

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) = ∑_k=0..n (-1)^n-k * binomial(k·n,n). A349470

G.f.: ∏_k>=1 (1 + 3·x^k²) / (1-x^k). A280225

Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x) - A(x)³ + A(x)⁵). A363573

Continued fraction for sqrt(398). A40378