Base | Representation |
---|---|
bin | 101100000100… |
… | …1000100111010 |
3 | 1121110220021020 |
4 | 1120021010322 |
5 | 21403341400 |
6 | 2143123310 |
7 | 400252665 |
oct | 130110472 |
9 | 47426236 |
10 | 23105850 |
11 | 12051849 |
12 | 78a3536 |
13 | 4a30001 |
14 | 30d66dc |
15 | 20662a0 |
hex | 160913a |
23105850 has 48 divisors (see below), whose sum is σ = 59162880. Its totient is φ = 5961600.
The previous prime is 23105833. The next prime is 23105851. The reversal of 23105850 is 5850132.
It is a self number, because there is not a number n which added to its sum of digits gives 23105850.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23105851) 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, 2166 + ... + 7134.
It is an arithmetic number, because the mean of its divisors is an integer number (1232560).
Almost surely, 223105850 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23105850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29581440).
23105850 is an abundant number, since it is smaller than the sum of its proper divisors (36057030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23105850 is a wasteful number, since it uses less digits than its factorization.
23105850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5015 (or 5010 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 23105850 is about 4806.8544808430. The cubic root of 23105850 is about 284.8222961151.
Adding to 23105850 its reverse (5850132), we get a palindrome (28955982).
The spelling of 23105850 in words is "twenty-three million, one hundred five thousand, eight hundred fifty".
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