Base | Representation |
---|---|
bin | 101100000100… |
… | …0111001010010 |
3 | 1121110212020200 |
4 | 1120020321102 |
5 | 21403330411 |
6 | 2143120030 |
7 | 400250553 |
oct | 130107122 |
9 | 47425220 |
10 | 23105106 |
11 | 12051232 |
12 | 78a3016 |
13 | 4a2c87b |
14 | 30d632a |
15 | 2065e56 |
hex | 1608e52 |
23105106 has 48 divisors (see below), whose sum is σ = 52835328. Its totient is φ = 7286400.
The previous prime is 23105077. The next prime is 23105107. The reversal of 23105106 is 60150132.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23105107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25786 + ... + 26666.
It is an arithmetic number, because the mean of its divisors is an integer number (1100736).
Almost surely, 223105106 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23105106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26417664).
23105106 is an abundant number, since it is smaller than the sum of its proper divisors (29730222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23105106 is a wasteful number, since it uses less digits than its factorization.
23105106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 967 (or 964 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 23105106 is about 4806.7770907335. Note that the first 3 decimals coincide. The cubic root of 23105106 is about 284.8192390240.
Adding to 23105106 its reverse (60150132), we get a palindrome (83255238).
The spelling of 23105106 in words is "twenty-three million, one hundred five thousand, one hundred six".
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