Properties of the Number 74678

Seventy-Four Thousand Six Hundred Seventy-Eight

Basics

Value: 74677 → 74678 → 74679

Parity: even

Prime: No

Previous Prime: 74653

Next Prime: 74687

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 37339

Divisors: 1, 2, 37339, 74678

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001110110110

Octal: 221666

Duodecimal: 37272

Hexadecimal: 123b6

Square: 5576803684

Square Root: 273.2727575152708

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

Positions of powerful terms among the numbers satisfying Euler's condition for odd perfect numbers (A228058). A388279

a(n) = 121·n² - 38·n + 3. A157443

Number of segments needed to draw (on the infinite square grid) a diagram of regions and partitions of n. A211026

Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum 1 3 6 or 8 and every diagonal and antidiagonal sum not 1 3 6 or 8. A252008

Number of length n arrays of permutations of 0..n-1 with each element moved by -7 to 7 places and with no two consecutive increases. A263642

T(n,k)=Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and with no two consecutive increases. A263643

a(n) = ∑_{j=0..floor(n/2)} (-1)^j+floor(n/2)*S(2j+q), where S(n) are generalized tribonacci numbers (A001644) and q = (1-(-1)ⁿ)/2. A74678