Base | Representation |
---|---|
bin | 101011110111… |
… | …1100001110001 |
3 | 1121021120201100 |
4 | 1113233201301 |
5 | 21342014301 |
6 | 2140555013 |
7 | 366335616 |
oct | 127574161 |
9 | 47246640 |
10 | 23001201 |
11 | 11a90163 |
12 | 7852a69 |
13 | 49c44a2 |
14 | 30aa50d |
15 | 2045286 |
hex | 15ef871 |
23001201 has 12 divisors (see below), whose sum is σ = 33295860. Its totient is φ = 15300960.
The previous prime is 23001193. The next prime is 23001211. The reversal of 23001201 is 10210032.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 3154176 = 4455^2 + 1776^2 .
It is not a de Polignac number, because 23001201 - 23 = 23001193 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (23001211) 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, 2071 + ... + 7091.
It is an arithmetic number, because the mean of its divisors is an integer number (2774655).
Almost surely, 223001201 is an apocalyptic number.
It is an amenable number.
23001201 is a deficient number, since it is larger than the sum of its proper divisors (10294659).
23001201 is a wasteful number, since it uses less digits than its factorization.
23001201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5536 (or 5533 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 23001201 is about 4795.9567345838. The cubic root of 23001201 is about 284.3916478762.
Adding to 23001201 its reverse (10210032), we get a palindrome (33211233).
The spelling of 23001201 in words is "twenty-three million, one thousand, two hundred one".
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