Base | Representation |
---|---|
bin | 1110110110001… |
… | …10000111000111 |
3 | 22200100110110200 |
4 | 13123012013013 |
5 | 223340342211 |
6 | 20205221543 |
7 | 3041413245 |
oct | 733060707 |
9 | 280313420 |
10 | 124543431 |
11 | 64335361 |
12 | 358618b3 |
13 | 1ca57c4c |
14 | 1277d795 |
15 | ae01b56 |
hex | 76c61c7 |
124543431 has 12 divisors (see below), whose sum is σ = 179994360. Its totient is φ = 82983600.
The previous prime is 124543417. The next prime is 124543477. The reversal of 124543431 is 134345421.
It is a happy number.
It is not a de Polignac number, because 124543431 - 222 = 120349127 is a prime.
It is a super-2 number, since 2×1245434312 = 31022132410503522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 124543395 and 124543404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124543031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25756 + ... + 30206.
It is an arithmetic number, because the mean of its divisors is an integer number (14999530).
Almost surely, 2124543431 is an apocalyptic number.
124543431 is a deficient number, since it is larger than the sum of its proper divisors (55450929).
124543431 is a wasteful number, since it uses less digits than its factorization.
124543431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7566 (or 7563 counting only the distinct ones).
The product of its digits is 5760, while the sum is 27.
The square root of 124543431 is about 11159.9028221575. The cubic root of 124543431 is about 499.3904986514.
Adding to 124543431 its reverse (134345421), we get a palindrome (258888852).
The spelling of 124543431 in words is "one hundred twenty-four million, five hundred forty-three thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •