Properties of the Number 74240

Seventy-Four Thousand Two Hundred Forty

Basics

Value: 74239 → 74240 → 74241

Parity: even

Prime: No

Previous Prime: 74231

Next Prime: 74257

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁹ × 5 × 29

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 29, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10010001000000000

Octal: 221000

Duodecimal: 36B68

Hexadecimal: 12200

Square: 5511577600

Square Root: 272.47018185482244

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

Expansion of ∏_k>=1 (1 - x^k)¹⁶. A739

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards. A281837

Triangle read by rows: Number of (2n+1)-step self-avoiding walks on diamond lattice ending at point with x = 2k+1. A227716

a(n) = ∑_k=0..n k⁴ * (-1)^k * 3^n-k * binomial(n,k). A383151

Number of Pythagorean quadruples mod n; i.e., number of solutions to w² + x² + y² = z² mod n. A96018

Inverse binomial transform of n²*3^n-1. A84857

a(n) = A255473(2ⁿ-1). A255474

a(n) is the index of the first occurrence of n in A331284. A331285

Integers k such that A072473(k) = A072473(k+1) = A072473(k+2) = A072473(k+3). A255172

Number of nX4 0..1 arrays with no element equal to more than four of its king-move neighbors and with new values introduced in order 0 sequentially upwards. A281833