Properties of the Number 64648

Sixty-Four Thousand Six Hundred Forty-Eight

Basics

Value: 64647 → 64648 → 64649

Parity: even

Prime: No

Previous Prime: 64633

Next Prime: 64661

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 8081

Divisors: 1, 2, 4, 8, 8081, 16162, 32324, 64648

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110010001000

Octal: 176210

Duodecimal: 314B4

Hexadecimal: fc88

Square: 4179363904

Square Root: 254.2597097457637

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

Triangle T(m,k) read by rows, where T(m,k) is the number of ways in which 1<=k<=m positions can be picked in an m X m square grid such that the center of gravity of the k picked positions coincides with one of the picked positions. A291716

a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal pyramidal numbers in exactly n ways, or 0 if no such integer exists. A350210

Numbers whose carryless sum of divisors is zero. A323414

Decimal expansion of sum of reciprocals of primorial numbers: 1/2 + 1/6 + 1/30 + 1/210 + ... A64648