Base | Representation |
---|---|
bin | 10000110110111… |
… | …01001100111111 |
3 | 100212002122020011 |
4 | 20123131030333 |
5 | 242200241411 |
6 | 22011004051 |
7 | 3335003206 |
oct | 1033351477 |
9 | 325078204 |
10 | 141415231 |
11 | 729093a1 |
12 | 3b439627 |
13 | 233b4569 |
14 | 14ad223d |
15 | c635c21 |
hex | 86dd33f |
141415231 has 4 divisors (see below), whose sum is σ = 149733792. Its totient is φ = 133096672.
The previous prime is 141415229. The next prime is 141415237. The reversal of 141415231 is 132514141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132514141 = 67 ⋅1977823.
It is not a de Polignac number, because 141415231 - 21 = 141415229 is a prime.
It is a super-2 number, since 2×1414152312 = 39996535117566722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141415237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4159255 + ... + 4159288.
It is an arithmetic number, because the mean of its divisors is an integer number (37433448).
Almost surely, 2141415231 is an apocalyptic number.
141415231 is a deficient number, since it is larger than the sum of its proper divisors (8318561).
141415231 is an equidigital number, since it uses as much as digits as its factorization.
141415231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8318560.
The product of its digits is 480, while the sum is 22.
The square root of 141415231 is about 11891.8136127338. The cubic root of 141415231 is about 520.9932089944.
Adding to 141415231 its reverse (132514141), we get a palindrome (273929372).
The spelling of 141415231 in words is "one hundred forty-one million, four hundred fifteen thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •