Base | Representation |
---|---|
bin | 1110110100011… |
… | …01001110011111 |
3 | 22122220121212001 |
4 | 13122031032133 |
5 | 223310413211 |
6 | 20200223131 |
7 | 3036423040 |
oct | 732151637 |
9 | 278817761 |
10 | 124310431 |
11 | 641962a3 |
12 | 3576aaa7 |
13 | 1c9a5b8b |
14 | 1271c8c7 |
15 | ada7ac1 |
hex | 768d39f |
124310431 has 4 divisors (see below), whose sum is σ = 142069072. Its totient is φ = 106551792.
The previous prime is 124310413. The next prime is 124310437. The reversal of 124310431 is 134013421.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 124310431 - 25 = 124310399 is a prime.
It is a super-2 number, since 2×1243104312 = 30906166510811522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 124310399 and 124310408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124310437) 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, 8879310 + ... + 8879323.
It is an arithmetic number, because the mean of its divisors is an integer number (35517268).
Almost surely, 2124310431 is an apocalyptic number.
124310431 is a deficient number, since it is larger than the sum of its proper divisors (17758641).
124310431 is an equidigital number, since it uses as much as digits as its factorization.
124310431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17758640.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 124310431 is about 11149.4587761021. The cubic root of 124310431 is about 499.0788787801.
Adding to 124310431 its reverse (134013421), we get a palindrome (258323852).
The spelling of 124310431 in words is "one hundred twenty-four million, three hundred ten thousand, four hundred thirty-one".
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