Base | Representation |
---|---|
bin | 101100010100… |
… | …0100011001101 |
3 | 1121201110002212 |
4 | 1120220203031 |
5 | 21422003030 |
6 | 2150000205 |
7 | 401330561 |
oct | 130504315 |
9 | 47643085 |
10 | 23234765 |
11 | 1212a694 |
12 | 7946065 |
13 | 4a768a8 |
14 | 312b6a1 |
15 | 208e595 |
hex | 16288cd |
23234765 has 8 divisors (see below), whose sum is σ = 28043928. Its totient is φ = 18479680.
The previous prime is 23234759. The next prime is 23234791. The reversal of 23234765 is 56743232.
It can be written as a sum of positive squares in 4 ways, for example, as 1435204 + 21799561 = 1198^2 + 4669^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-23234765 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12566 + ... + 14295.
It is an arithmetic number, because the mean of its divisors is an integer number (3505491).
Almost surely, 223234765 is an apocalyptic number.
It is an amenable number.
23234765 is a deficient number, since it is larger than the sum of its proper divisors (4809163).
23234765 is a wasteful number, since it uses less digits than its factorization.
23234765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27039.
The product of its digits is 30240, while the sum is 32.
The square root of 23234765 is about 4820.2453257070. The cubic root of 23234765 is about 285.3510192197.
Adding to 23234765 its reverse (56743232), we get a palindrome (79977997).
The spelling of 23234765 in words is "twenty-three million, two hundred thirty-four thousand, seven hundred sixty-five".
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