Base | Representation |
---|---|
bin | 101011111011… |
… | …1111000100111 |
3 | 1121100022200010 |
4 | 1113313320213 |
5 | 21344113211 |
6 | 2141421303 |
7 | 366540456 |
oct | 127677047 |
9 | 47308603 |
10 | 23035431 |
11 | 12003951 |
12 | 786a833 |
13 | 4a06c43 |
14 | 30b8b9d |
15 | 20504a6 |
hex | 15f7e27 |
23035431 has 4 divisors (see below), whose sum is σ = 30713912. Its totient is φ = 15356952.
The previous prime is 23035427. The next prime is 23035451. The reversal of 23035431 is 13453032.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 23035431 - 22 = 23035427 is a prime.
It is a super-2 number, since 2×230354312 = 1061262162711522, 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 = 23035398 and 23035407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23035421) 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, 3839236 + ... + 3839241.
It is an arithmetic number, because the mean of its divisors is an integer number (7678478).
Almost surely, 223035431 is an apocalyptic number.
23035431 is a deficient number, since it is larger than the sum of its proper divisors (7678481).
23035431 is an equidigital number, since it uses as much as digits as its factorization.
23035431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7678480.
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 23035431 is about 4799.5240389022. The cubic root of 23035431 is about 284.5326535723.
Adding to 23035431 its reverse (13453032), we get a palindrome (36488463).
The spelling of 23035431 in words is "twenty-three million, thirty-five thousand, four hundred thirty-one".
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