Base | Representation |
---|---|
bin | 101101100110… |
… | …0101001111111 |
3 | 1122222121011100 |
4 | 1123030221333 |
5 | 22110010233 |
6 | 2212224143 |
7 | 410130354 |
oct | 133145177 |
9 | 48877140 |
10 | 23906943 |
11 | 12549705 |
12 | 800b053 |
13 | 4c50828 |
14 | 326462b |
15 | 2173813 |
hex | 16cca7f |
23906943 has 12 divisors (see below), whose sum is σ = 34624408. Its totient is φ = 15895440.
The previous prime is 23906929. The next prime is 23906951. The reversal of 23906943 is 34960932.
It is a happy number.
It is not a de Polignac number, because 23906943 - 29 = 23906431 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23906898 and 23906907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23906923) 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, 228 + ... + 6918.
Almost surely, 223906943 is an apocalyptic number.
23906943 is a deficient number, since it is larger than the sum of its proper divisors (10717465).
23906943 is a wasteful number, since it uses less digits than its factorization.
23906943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7094 (or 7091 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 36.
The square root of 23906943 is about 4889.4726709534. The cubic root of 23906943 is about 288.0766216849.
The spelling of 23906943 in words is "twenty-three million, nine hundred six thousand, nine hundred forty-three".
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