Base | Representation |
---|---|
bin | 1110101101101… |
… | …11010011111001 |
3 | 22121021002221021 |
4 | 13112313103321 |
5 | 223044343413 |
6 | 20125342441 |
7 | 3026113366 |
oct | 726672371 |
9 | 277232837 |
10 | 123434233 |
11 | 63747a6a |
12 | 35407a21 |
13 | 1c75a110 |
14 | 1257146d |
15 | ac8318d |
hex | 75b74f9 |
123434233 has 8 divisors (see below), whose sum is σ = 133032200. Its totient is φ = 113851008.
The previous prime is 123434177. The next prime is 123434243. The reversal of 123434233 is 332434321.
It can be written as a sum of positive squares in 4 ways, for example, as 28430224 + 95004009 = 5332^2 + 9747^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123434233 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123434198 and 123434207.
It is not an unprimeable number, because it can be changed into a prime (123434243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853 + ... + 24541.
It is an arithmetic number, because the mean of its divisors is an integer number (16629025).
Almost surely, 2123434233 is an apocalyptic number.
123434233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
123434233 is a deficient number, since it is larger than the sum of its proper divisors (9597967).
123434233 is a wasteful number, since it uses less digits than its factorization.
123434233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7371.
The product of its digits is 5184, while the sum is 25.
The square root of 123434233 is about 11110.0959941847. The cubic root of 123434233 is about 497.9035326013.
Adding to 123434233 its reverse (332434321), we get a palindrome (455868554).
The spelling of 123434233 in words is "one hundred twenty-three million, four hundred thirty-four thousand, two hundred thirty-three".
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