Base | Representation |
---|---|
bin | 101100000011… |
… | …1111001001001 |
3 | 1121110122121122 |
4 | 1120013321021 |
5 | 21403213001 |
6 | 2143045025 |
7 | 400232600 |
oct | 130077111 |
9 | 47418548 |
10 | 23101001 |
11 | 12049140 |
12 | 78a0775 |
13 | 4a2aa41 |
14 | 30d4a37 |
15 | 2064b1b |
hex | 1607e49 |
23101001 has 12 divisors (see below), whose sum is σ = 29316240. Its totient is φ = 18000360.
The previous prime is 23100991. The next prime is 23101021. The reversal of 23101001 is 10010132.
It is not a de Polignac number, because 23101001 - 26 = 23100937 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 23101001.
It is not an unprimeable number, because it can be changed into a prime (23101021) 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, 20891 + ... + 21968.
It is an arithmetic number, because the mean of its divisors is an integer number (2443020).
Almost surely, 223101001 is an apocalyptic number.
It is an amenable number.
23101001 is a deficient number, since it is larger than the sum of its proper divisors (6215239).
23101001 is a wasteful number, since it uses less digits than its factorization.
23101001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42884 (or 42877 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 8.
The square root of 23101001 is about 4806.3500704797. The cubic root of 23101001 is about 284.8023704262.
Adding to 23101001 its reverse (10010132), we get a palindrome (33111133).
The spelling of 23101001 in words is "twenty-three million, one hundred one thousand, one".
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