Properties of the Number 74385

Seventy-Four Thousand Three Hundred Eighty-Five

Basics

Value: 74384 → 74385 → 74386

Parity: odd

Prime: No

Previous Prime: 74383

Next Prime: 74411

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 19 × 29

Divisors: 1, 3, 5, 9, 15, 19, 27, 29, 45, 57

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010001010010001

Octal: 221221

Duodecimal: 37069

Hexadecimal: 12291

Square: 5533128225

Square Root: 272.736136219607

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

Number of ways to write n as the arithmetic mean of a set of distinct primes. A72701

Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = 1. A380889

Deficient numbers whose aliquot sequence is deficient, abundant, deficient, ..., etc. A234970

Triangle read by rows: T(n,k) is the total number of movable letters in all members of the k-partitions of [n], with 1 <= k <= n. A367468

Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,2,1. A37565

Row square-sums of triangle A185384. A208588

Square root of sum of divisors, when it is a square. A74385