Properties of the Number -24649

Twenty-Four Thousand Six Hundred Forty-Nine

Basics

Value: -24650 → -24649 → -24648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 157 ²

Divisors: 1, 157, 24649

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110000001001001

Octal: -60111

Duodecimal: -12321

Hexadecimal: -6049

Square: 607573201

Square Root: 157

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) = -2·a(n - 1) -a(n - 2) -a(n - 3), a(0) = a(1) = a(2) = 1. A56016

Squares of primes. A1248

a(n) = (6·n + 1)². A16922

a(n) = (4·n + 1)². A16814

Squares of primes lacking the digit zero in their decimal expansion. A52043

Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). A69711

Perfect squares which are neither the sum nor the difference of two primes. A106573

Squares that become prime when their most significant (or leftmost) digit is removed. A225873

Numbers n such that ∑_d∣n τ(d) = ∏_d∣n τ(d). A280076

Position of first appearance of n in A380955 (sum of prime indices minus sum of distinct prime indices). A380956