Properties of the Number 40470

Forty Thousand Four Hundred Seventy

Basics

Value: 40469 → 40470 → 40471

Parity: even

Prime: No

Previous Prime: 40459

Next Prime: 40471

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 19 × 71

Divisors: 1, 2, 3, 5, 6, 10, 15, 19, 30, 38

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001111000010110

Octal: 117026

Duodecimal: 1B506

Hexadecimal: 9e16

Square: 1637820900

Square Root: 201.17156856772777

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

Triangular numbers that are sums of distinct factorials. A115647

Triangular numbers composed of digits {0,4,7}. A218399

A290131/2. A331754

Triangular numbers that in base 2 have the same number of 0's and 1's. A345348

Numbers n such that 105·2ⁿ-1 is prime. A50578

Triangular numbers (A000217) whose second arithmetic derivative (A068346) is also a triangular number. A351131

Triangular numbers which are products of five distinct primes. A357590

Expansion of g.f. A(x) satisfying A(x) = 1 + x·A(x)/(1 - 5·x*A(x))². A365775

Continued fraction for sqrt(493). A40470