Properties of the Number 74919

Seventy-Four Thousand Nine Hundred Nineteen

Basics

Value: 74918 → 74919 → 74920

Parity: odd

Prime: No

Previous Prime: 74903

Next Prime: 74923

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 17 × 113

Divisors: 1, 3, 13, 17, 39, 51, 113, 221, 339, 663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010010010100111

Octal: 222247

Duodecimal: 37433

Hexadecimal: 124a7

Square: 5612856561

Square Root: 273.713353711506

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) = σ(k-1). A231546

a(n) = T(3n,n), where T is the array in A026300. A26303

Table of consecutive numbers with the same sum of divisors. A225757

Numbers k such that τ(k) = 2*τ(k-1) and σ(k) = σ(k-1), where τ(k) and σ(k) are respectively the number and sum functions of the divisors of k. A347603

Number of primitive (period n) step cyclic shifted sequence structures using a maximum of six different symbols. A56443

Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 18 (most significant digit on right). A61947

Numbers k that divide σ(k) - σ(k-1). A227307

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, 1), (0, 1, -1), (0, 1, 1), (1, 0, 0)}. A151101

Number of integers in {1, 2, ..., φ(n)} that are coprime to n. A74919