Base | Representation |
---|---|
bin | 1100011100101… |
… | …11101010010111 |
3 | 21021111121100100 |
4 | 12032113222113 |
5 | 203213231411 |
6 | 14210145143 |
7 | 2405433213 |
oct | 616275227 |
9 | 237447310 |
10 | 104430231 |
11 | 53a47a84 |
12 | 2ab821b3 |
13 | 18835149 |
14 | dc25943 |
15 | 927c456 |
hex | 6397a97 |
104430231 has 24 divisors (see below), whose sum is σ = 154184576. Its totient is φ = 68091840.
The previous prime is 104430173. The next prime is 104430257. The reversal of 104430231 is 132034401.
104430231 is a `hidden beast` number, since 1 + 0 + 4 + 430 + 231 = 666.
It is not a de Polignac number, because 104430231 - 215 = 104397463 is a prime.
It is a super-2 number, since 2×1044302312 = 21811346293426722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104430331) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122001 + ... + 122853.
Almost surely, 2104430231 is an apocalyptic number.
104430231 is a deficient number, since it is larger than the sum of its proper divisors (49754345).
104430231 is a wasteful number, since it uses less digits than its factorization.
104430231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1143 (or 1140 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 104430231 is about 10219.1110670156. Note that the first 3 decimals coincide. The cubic root of 104430231 is about 470.9145178687.
Adding to 104430231 its reverse (132034401), we get a palindrome (236464632).
The spelling of 104430231 in words is "one hundred four million, four hundred thirty thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •