Properties of the Number 74340

Seventy-Four Thousand Three Hundred Forty

Basics

Value: 74339 → 74340 → 74341

Parity: even

Prime: No

Previous Prime: 74323

Next Prime: 74353

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 7 × 59

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001001100100

Octal: 221144

Duodecimal: 37030

Hexadecimal: 12264

Square: 5526435600

Square Root: 272.6536264200423

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=1..n k^ω(k). A347616

a(0) = 0; for n >= 1, a(n) = -(3/2)*(a(n-1)+A355905(n-1)). A355906

Let d(1)<d(2)<...<d(q) denote the divisors of an integer k. a(n) = k is the smallest k such that the sum of its first n divisors, s = d(1) + ... + d(n), is also a divisor of k. A375574

A transform of floor((n+2)/2) with Hankel transform floor((n+2)/2)*(cos(π*n/2) + sin(π*n/2)). A134389

Indices of rows of triangle A262432 where the maximum term of the row is a new record. A262464

Number of terms in polynomial sequence s(n) = x·y*z*(s(n-1)*s(n-3) + s(n-2)²)/s(n-4), with s(1) = x, s(2) = s(3) = 1, s(4) = y. A338218

a(1) = 5; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74340