Base | Representation |
---|---|
bin | 101100001000… |
… | …1111101100001 |
3 | 1121112202012001 |
4 | 1120101331201 |
5 | 21411022431 |
6 | 2144004001 |
7 | 400464043 |
oct | 130217541 |
9 | 47482161 |
10 | 23142241 |
11 | 12077121 |
12 | 7900601 |
13 | 4a43745 |
14 | 3105a93 |
15 | 2071e61 |
hex | 1611f61 |
23142241 has 8 divisors (see below), whose sum is σ = 23848424. Its totient is φ = 22446720.
The previous prime is 23142239. The next prime is 23142277. The reversal of 23142241 is 14224132.
It can be written as a sum of positive squares in 4 ways, for example, as 246016 + 22896225 = 496^2 + 4785^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23142241 - 21 = 23142239 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23142211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 7051.
It is an arithmetic number, because the mean of its divisors is an integer number (2981053).
Almost surely, 223142241 is an apocalyptic number.
It is an amenable number.
23142241 is a deficient number, since it is larger than the sum of its proper divisors (706183).
23142241 is an equidigital number, since it uses as much as digits as its factorization.
23142241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5331.
The product of its digits is 384, while the sum is 19.
The square root of 23142241 is about 4810.6383152343. The cubic root of 23142241 is about 284.9717464554.
Adding to 23142241 its reverse (14224132), we get a palindrome (37366373).
The spelling of 23142241 in words is "twenty-three million, one hundred forty-two thousand, two hundred forty-one".
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