Base | Representation |
---|---|
bin | 101100000011… |
… | …1111100010111 |
3 | 1121110122220021 |
4 | 1120013330113 |
5 | 21403214312 |
6 | 2143050011 |
7 | 400233313 |
oct | 130077427 |
9 | 47418807 |
10 | 23101207 |
11 | 12049308 |
12 | 78a0907 |
13 | 4a2ab6c |
14 | 30d4b43 |
15 | 2064c07 |
hex | 1607f17 |
23101207 has 4 divisors (see below), whose sum is σ = 24317080. Its totient is φ = 21885336.
The previous prime is 23101159. The next prime is 23101213. The reversal of 23101207 is 70210132.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23101207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23101217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607908 + ... + 607945.
It is an arithmetic number, because the mean of its divisors is an integer number (6079270).
Almost surely, 223101207 is an apocalyptic number.
23101207 is a deficient number, since it is larger than the sum of its proper divisors (1215873).
23101207 is a wasteful number, since it uses less digits than its factorization.
23101207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1215872.
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 23101207 is about 4806.3715004148. The cubic root of 23101207 is about 284.8032169857.
Adding to 23101207 its reverse (70210132), we get a palindrome (93311339).
The spelling of 23101207 in words is "twenty-three million, one hundred one thousand, two hundred seven".
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