Base | Representation |
---|---|
bin | 101100101100… |
… | …0010000111111 |
3 | 1122002101012110 |
4 | 1121120100333 |
5 | 21444231312 |
6 | 2154105103 |
7 | 403103433 |
oct | 131302077 |
9 | 48071173 |
10 | 23430207 |
11 | 12253509 |
12 | 7a1b193 |
13 | 4b14838 |
14 | 317c9c3 |
15 | 20cc43c |
hex | 165843f |
23430207 has 4 divisors (see below), whose sum is σ = 31240280. Its totient is φ = 15620136.
The previous prime is 23430191. The next prime is 23430221. The reversal of 23430207 is 70203432.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 23430207 - 24 = 23430191 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23430107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905032 + ... + 3905037.
It is an arithmetic number, because the mean of its divisors is an integer number (7810070).
Almost surely, 223430207 is an apocalyptic number.
23430207 is a deficient number, since it is larger than the sum of its proper divisors (7810073).
23430207 is an equidigital number, since it uses as much as digits as its factorization.
23430207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7810072.
The product of its (nonzero) digits is 1008, while the sum is 21.
The square root of 23430207 is about 4840.4759063547. The cubic root of 23430207 is about 286.1488743555.
Adding to 23430207 its reverse (70203432), we get a palindrome (93633639).
The spelling of 23430207 in words is "twenty-three million, four hundred thirty thousand, two hundred seven".
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