Base | Representation |
---|---|
bin | 101100001001… |
… | …0001100100001 |
3 | 1121112210111121 |
4 | 1120102030201 |
5 | 21411040301 |
6 | 2144012241 |
7 | 400466614 |
oct | 130221441 |
9 | 47483447 |
10 | 23143201 |
11 | 12077914 |
12 | 7901081 |
13 | 4a44003 |
14 | 310617b |
15 | 20723a1 |
hex | 1612321 |
23143201 has 4 divisors (see below), whose sum is σ = 23184304. Its totient is φ = 23102100.
The previous prime is 23143199. The next prime is 23143259. The reversal of 23143201 is 10234132.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 23143201 - 21 = 23143199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23143261) 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, 19695 + ... + 20836.
It is an arithmetic number, because the mean of its divisors is an integer number (5796076).
Almost surely, 223143201 is an apocalyptic number.
It is an amenable number.
23143201 is a deficient number, since it is larger than the sum of its proper divisors (41103).
23143201 is an equidigital number, since it uses as much as digits as its factorization.
23143201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41102.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 23143201 is about 4810.7380930581. The cubic root of 23143201 is about 284.9756868558.
Adding to 23143201 its reverse (10234132), we get a palindrome (33377333).
The spelling of 23143201 in words is "twenty-three million, one hundred forty-three thousand, two hundred one".
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